Best Ice Pack Sheets for Cold Shipping Boxes Keep Boxes Safe

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Choosing the right ice pack sheet keeps your fragile goods safe and stops leaks; with the right sheet you’ll extend cold time. For 24‑48‑hour protection, pick a 12‑pack or the 24‑hour 50‑pack, both BPA‑free and leak‑proof. If you need more area, the 4×16 sheet expands to fill bulky boxes without folding. Thermo‑chill packs give up to 96 cells for a tight fit. Explore other shapes, and you’ll find the perfect fit for you right today.
Key Takeaways
- For 7‑day shipping, Rainbow sheets (8×12 cells, 96 cold units) retain chill for up to 3 days; ideal for perishable goods.
- 12‑pack blocks stay frozen 24+ hrs, no soak needed, perfect for quick, single‑trip shipments up to a day.
- 14×13 sheets with thin PE backing expand to 1″, six‑hour soak and freeze, retain 24 hrs; great for e‑commerce dispatch.
- 4×16 pack offers 64 sealed cells; soak, freeze overnight, re‑use; durable for frequent high‑volume food transport.
- All packs are leak‑proof, TSA‑compliant and reusable, ensuring safe, regulatory‑compliant cool shipping.
Dry Ice Packs 12-Pack, 24+ Hour Freeze, BPA-Free

The 12‑pack of BPA‑free dry ice sheets delivers 24 + hours of ready‑to‑use freeze power right out of the box—just what a small‑business e‑commerce seller or food‑service pro needs to keep meats, seafood, baked goods and frozen treats chilled or frozen during long shipments.
You’ll love the leak‑proof, sturdy build that stops tearing, letting you stack the packs under hoppers or inside insulated boxes without worry.
When paired with commercial insulated containers, you get over 72 hours of reliable cold preservation, enough to outlast most ground and air shipments.
TSA‑compliant, flat‑sealed, it requires no extra prep—just seal and ship right away.
Best For: e‑commerce sellers, food‑service professionals, and event planners who need reliable, leak‑proof cold protection for long shipments.
Pros:
- 24+ hour ready‑to‑use freeze power out of the box for immediate cold maintenance.
- Leak‑proof, sturdy gel bricks prevent tearing or leaks during transport.
- TSA‑compliant and flat‑sealed—no extra prep or handling required.
Cons:
- Bulk 12‑pack format may be excessive for small, frequent orders.
- Per‑pack cost higher than standard shipping ice or gel packs.
- Proper disposal (rejecting or refreezing) needed to avoid environmental or safety hazards.
- ICE PACKS FOR COOLERS LONG LASTING REUSABLE-Our Cooler ice Packs provide you with a mess-free experience! Our ice packs reusable for coolers fit around everything justlike ice cubes would but they lock in the water saving you from the hassle water.
- LUNCH BOX ICE PACKS- Can be a great kids ice packs for lunch box or even just a work ice packs for lunch boxes reusable! As it stays cold all day long and locks in all the water! A great small ice packs for lunch box!
- SLIM, COLD & POWERFUL: Take Cooling to the extreme with over 120pc sized 15"x12"! These Reusable lunchbox ice pack can easily fit into lunch box and lunch bags! With Our long lasting powers youre lunch snacks and drinks will stay cold and fresh.
- LEAK FREE & REUSABLE GEL ICE PACKS: No more mess or stress with our cold packs that you can use again & again; Luna Ice is food grade,non-toxic & extremely portable for travel; The ideal solution for your breakable ice packs & shipping needs
- EASY TO USE & LONG LASTING :Simply soak in water & freeze overnight. Keep food, drinks & perishables cold; Our freezer pack will last 72 hours in insulated cooler; Flexible cooler packs for lunch boxes, backpacks, travel & dry ice packs for coolers.
Dry Ice Shipping Cold Packs 14×13

If you’re shipping perishable goods or dry ice, these 13 × 14‑inch ice pack sheets keep your cargo chilled for a full 24 hours—no matter how large the container. When you pre‑soak each 3.5″ × 2.2″ cell for five minutes, then rinse and freeze, the sheet expands to an inch thick and provides insulation. Each pack stays cool for 24 hours inside insulated boxes or coolers, sticking‑free. The thin polyethylene backing on one side and soft cloth on the other prevent slip and keep the surface non‑sticky. After use, drop the dried sheets into your freezer for future shipments—making them reusable and eco‑friendly.
Best For: e‑commerce shippers, food distributors, and pharmacies that need 24‑hour cold retention for perishable goods in insulated transport vessels.
Pros:
- Provides reliable 24‑hour cold retention in any insulated container.
- Reusable and eco‑friendly—simply rinse, freeze, and reuse.
- Foldable, paper‑like design saves space and can be cut to fit any container.
Cons:
- Requires a freezer for pre‑freezing; not effective without one.
- Needs a 5‑minute soaking and rinsing step before use.
- The sheet expands to only about 1″ thick, offering limited volume compared to liquid gel packs.
- ❄LONG LASTING COLD LARGE ICE PACK SHEET - WORLD-BIO dry ice pack sheet is not DRY ICE CARBON DIOXIDE. It is ice pack, dry form, and you have to soak this in water and freeze for use. 6 packs reusable flexible ice blankets, each ice sheet measures 13'' x 14'', contains 24 individual cells, can be cut in cells to fit any size container thanks to its unique seam technology, maintains cold temperature for 24 hours in an insulated container.
- ❄SAFE AND EASY TO USE - The magician reusable ice pack sheet featuring a thin PE backing on one side and soft cloth on the other to provide comfort. Non-slimy, non-toxic, food touchable and environmentally safe. The surface stays dry no matter when and where after absorbing water. Just soak in water for about 5 minutes, wipe down both sides with a towel to dry off and throw in freezer, and then, you can use it.
- ❄FLEXIBLE, VERSATILE & REUSABLE ICE SHEET - Keep absorbed ice packs sheet in freezer for ready use. Use in ice bag or lunch box to carry food, snacks, drinks, stays cool long time during outings, they work very well inside insulated bags.
- ❄MOST EFFECTIVE ICE REPLACEMENT PRODUCT - This freeze sheet is currently used by many of the industry users and home kitchen, it is considered a world industry standard and can be bulk hydrated. Cooler ice sheet is lightweight, foldable and thin like a paper before absorbing water, save valuable space easily. Each square is 3.5’’ x 2.2’’ and expandable materials absorb 25 times their weight in water, can expand to about 1’’ thick.
- ❄QUALITY GUARANTEE - WORLD-BIO has been a leading provider of hot cold gel packs, cold shipping chain since 2001, our goal is to provide you products that are safe, effective, and easy to use. Please dry off the surface of ice sheet before freezing to prevent from sticking together when frozen.
RAINBOW Reusable Dry Ice Pack Sheets

Need a reliable, long‑lasting cooling solution for shipping fresh seafood, vaccines, or delicate samples? RAINBOW reusable dry ice pack sheets fit what you’ll need. Every order contains eight sheets, each with twelve cells—96 cold units total. Activate a sheet by soaking it 3–5 minutes, wiping dry, then freezing it for at least six hours; never fold the mesh side. After use, simply refreeze the dried pack; shrinkage reverses automatically. These paper‑like packs keep items cold for three days, are safe for food contact, and boost sustainability by replacing bulk ice, saving money. Trust the warranty: replace or refund if defective.
Best For: logistics teams shipping fresh seafood or temperature‑sensitive vaccines, food‑service providers needing sustainable cooling, and travelers or medical professionals requiring long‑lasting, reusable ice packs for personal or clinical use.
Pros:
- Provides up to 3 days of cold storage in a lightweight, paper‑like sheet
- Reusable and environmentally safe—no toxic chemicals or CO₂ release
- Easy activation: soak, dry, freeze, and reuse, saving bulk ice cost
Cons:
- Requires a freezer for activation, may not be portable for instant use
- Initial purchase of sheets may be higher than ordinary ice packs
- Thawing and refreezing may take several hours, not suitable for urgent short‑term cooling trips.
- NOTE & USE: The shipping dry ice packs are NOT DRY ICE CARBON DIOXIDE, NO SMOKE. Just Ice packs, dry package, need to absorb water, Freeze in refrigerator, then USE: Ice pack sheets soak fully in water about 3-5 minutes - After auto absorb water, WIPE DRY both sides of ice cells - AFTER DRYING WELL, flat freeze ice packs in refrigerator more than 6 hours.
- SIZE & USE TIPS: : Ice packs for shipping - 7" x 13"( 12 ice cells) for single sheet. 8 sheets for one package. All ice sheet is sealed in the plastic bag, please open the bag to confrim the exact quantity. Ice pack sheets onene side is a mesh material and the other side is PE. Make sure absorbed ice pack sheets dry completly before freezing. When place in freezer, DO NOT FOLD MESH SIDE TOUCHES, Do not touch the mesh side with the refrigerator, or it will stick and freeze together.
- ECONOMIC FUNCTION: Cold packs are perfect ice replacement products, lightweight ice pack sheets for frozen food can keep fresher and colder long-lasting up to hours. Food ice packs can be used not only for lunch bags, lunch box and camping coolers, but also in the transportation industry, for example, ice packs for shipping food, seafood, breast milk, medicine, vaccines, fresh beer, beverages, perishables, pathology samples etc.
- PERFECT PARTNER: This ice packs are the perfect partner for frozen food delivery, food safe ice packs are perfect for transporting any perishable, easy-to-melt items such as frozen seafood and fish, candles, chocolate, and more. You can use it with confidence.
- SAFE & STORAGE: Ice pack is non-slimy, non-toxic, food touchable ice packs and environmentally safe. Dry ice pack sheets are thin like paper, so easy to store before activated, just keep it in an airtight bag. Ice cold packs for coolers and picnic basket are perfect for trip, camping and hiking, as well as for your camp kitchen. Dry ice packs for shipping frozen food, commercial food & dish transport, can keep vegetable fresh and beverage cooling.
Dry Ice Sheets for Shipping Frozen Food (4×16)

When you’re shipping frozen food across the country, these reusable dry‑ice sheets—each packed with 16 sealed cells—give you a lean, non‑slimy, cost‑saving alternative to traditional ice.
Grab the four‑sheet pack—each 15.4 × 11.3 cm—and dip one in water for five minutes; it expands, sealing 16 cold cells. After wiping and drying, refrigerate it over six hours, then store it in a zipper bag until shipping. Its thin, paper‑like feel fits lunch bags, coolers, shipping boxes, medical carts, outdoor gear, or a quick cold compress. Reuse by soaking again, drying, freezing; keep mesh surfaces apart. Your shipments arrive cooler, cost‑effective, and reliable each day.
Best For: food distributors, medical transport teams, and outdoor enthusiasts needing durable, reusable cold packs for long‑haul shipping.
Pros:
- Easy activation and storage – just soak, dry, and refrigerate for a quick setup.
- Reusable and cost‑effective, reducing waste and per‑shipment expenses.
- Thin, paper‑like sheets fit compactly in lunch bags, coolers, and shipping containers.
Cons:
- Requires several hours of refrigeration after first activation to regain full cooling capacity.
- Sheets can flatten and lose water absorption over prolonged use, needing occasional soaking.
- Must keep mesh surfaces apart to avoid sticking or freezing together.
- Simple to use: Place the dry ice packs in water and soak it fully for 5 minutes, wait for the dry ice pack to absorb water automatically until the ice pack expands, remove the ice pack from the water, dry it with a towel, let it dry for 5-10 minutes, then put it in the refrigerator for more than 6 hours. When putting into the refrigerator, make sure the plastic surface is in contact with the refrigerator. Do not let the mesh surfaces touch each other, or they will stick together and freeze
- Cold function of ice packs: The frozen ice pack can be placed in insulated lunch bags, coolers, insulated shipping boxes, insulated shipping coolers, or insulated mail bag, used for frozen food or beverage, vegetables and other products in the process of transportation to keep fresh and cold. Ice packs are used to shipping frozen food, frozen meat and seafood, cakes, candy, ice cream, breast milk, chocolate, perishables, fish, candles, medicine, butter, flowers, etc. Ice packs for shipping
- Reusable ice packs: Set of 4 sheets. 1 large sheet ice pack size: 15.43" x 11.30"; 16 individual ice cells; Ice cell's size: 3.78" x 2.76"; Shipping ice packs can keep food cold and it's easy to cut it to the size you need. After using ice packs for a long time, the water in the ice packs will decrease and the packs will flatten out, but they are very easy to restore to their original shape after only 3-5 minute of soaking in water. Dry them out and put them back in the freezer for reuse
- Long lasting ice packs: Ice packs are non-slimy after absorbing water. Dry ice pack sheets are very thin like paper, so easy to store before activated. Ice packs are used together with insulated containers such as insulation bags, coolers, insulated shopping bags, foam boxes, etc, to keep cold longer up to hours. Small ice packs for shipping, ice packs for shipping food, dry ice sheets for shipping frozen food, Shipping ice packs, dry ice packs for shipping, ice packs for cooler
- Tips for using dry ice pack: 1. Dry ice pack, not DRY ICE CARBON DIOXIDE, NO SMOKE EFFECT! 2. Please store in a zipper bag, do not expose to the air. Otherwise, the ice pack will absorb moisture from the air and the water absorption capacity will be weakened. 3.Trusted by businesses for shipping frozen food and perishables.Ice packs can successfully ship frozen food across the country. Keeps items frozen for days during long travels. Food also is staying frozen during cross-country shipping
24-Hour Dry Ice Packs (50 Pack) – Long Lasting

For busy chefs, catering teams, and logistics managers who must keep meats, seafood, and chocolates solid during a 24‑48‑hour transit, these damp‑activated dry ice packs are the perfect solution. They form a 24–48‑hour freeze when placed in insulated shipping boxes. A 5 × 3‑in. slab fits snugly into lunch boxes, bento trays, and snack bags, saving space. Made from heavy‑du food‑grade puncture‑resistant film, you get a BPA‑free, non‑toxic, leak‑proof guard. Activation is simple: 3‑5 minutes in water, then freeze overnight. The set (50 packs) totals 5,000 ml, ≈11 lbs of cooling, ideal for bulk shipments, travel, and outdoor adventures. Reuse twice.
Best For: busy chefs, catering teams, and logistics managers who need reliable 24‑48‑hour cold protection for meats, seafood, and perishable goods during shipping or travel.
Pros:
- Long‑lasting 24‑48 hour freeze in insulated boxes, keeping products solid.
- Compact slim design (5 × 3 in.) fits lunch boxes, bento trays, and snack bags.
- Heavy‑duty, BPA‑free film that’s puncture‑resistant, leak‑proof, and reusable up to two times.
Cons:
- Requires a 3–5 minute water soak and overnight freezing before use.
- Limited reusability (max 2 cycles), so batches deplete quickly for extended use.
- Bulk set (50 packs) can be bulky to transport unless fully frozen beforehand.
- LONG-LASTING COLD PROTECTION: These high-performance ice sheets freeze rock-solid to keep meat, seafood, chocolates, and perishables frozen for 24–48 hours when used in insulated shipping boxes. Ideal for professional cold-chain shipping and food delivery.
- COMPACT 100ML SLIM DESIGN: Each 5x3 inch (approx.) pack is perfectly sized for lunch boxes, bento boxes, and kids' snack bags. These slim gel bricks provide maximum cooling without taking up valuable space for your drinks and sandwiches.
- HEAVY-DUTY & FOOD GRADE: Engineered with ultra-durable, puncture-resistant film to prevent leaks and protect your cargo from moisture. These BPA-free sheets are non-toxic and 100% safe with frozen meats, seafood, and fresh groceries.
- SOAK, FREEZE & GO: Simple preparation for busy shippers. Just soak the sheets in water for 3–5 minutes to activate the ice pack, freeze overnight, and they are ready for use in fishing coolers, medical transport, or insulated delivery bags.
- COST-EFFECTIVE BULK 50 PACK: Get the cooling power of 11 lbs of ice without the watery mess. This bulk set provides 5,000ml of total cooling capacity, making it the perfect for small business owners and meal preppers.
Nice Packs 10 Large Reusable Dry Ice Packs

The reusable Nice Packs sheets deliver 120 individual cooling cells in a single 17‑inch card, making them perfect for shipping large batches of frozen pastries or meats. Each sheet is 0.2 in. thick by 8.5 in. wide and 17 in. long, weighing just 0.68 lb—light yet powerful. To activate, soak in water for 2–3 minutes, wipe dry, and freeze overnight. Once chilled, they stay cool for up to 24 hours inside any insulated container and outlast regular ice by 4–7×. Leak‑proof design keeps your cooler dry, and a seam lets you cut them to fit any shape. Safe, eco‑friendly, and reusable 4–7 times before replacement forever.
Best For: Culinary professionals, food transport and storage vendors, and anyone needing long‑lasting, leak‑free cooling without waste.
Pros:
- Stores cold up to 24 hours and outlasts conventional ice by 4–7×.
- Leak‑proof, keeping coolers dry and preventing messes.
- Reusable 4–7 times, environmentally friendly, and cuts to fit any container.
Cons:
- Requires a freezer to recharge, adding prep time.
- Initial purchase cost higher than single‑use ice.
- Not suitable for rapidly cooling hot items; assumes a cool‑ready start.
- Not real dry ice - easier, safer & reusable: Soak the flexible ice packs in water for a couple of minutes until cells expand, wipe dry, then freeze overnight. Reusable ice packs for coolers stay cold up to 24 hours in an insulated container
- 10 large flexible ice blankets: 17"x8.1" sheet with 12 individual cells size 2.5"x4" cells and small ice packs can be cut along seams to fit any cooler, lunch box, or shipping box perfectly. Flexible and can fit around food instead of taking up space
- Lasts 4-7x longer than regular ice: Our flexible reusable ice packs for coolers keep food and drinks cold far longer than ice. Long lasting ice packs also works as reusable ice packs for lunch box - ideal for work, school, or camping
- Leak-proof reusable ice pack for cooler : Unlike other products, Nice Packs dry ice sheets don't sweat - so your cooler, lunch box or shipping box stays completely dry even as the pack warms up. Non-toxic, food-safe and environmentally friendly
- Cooler ice packs reusable long lasting: Unlike single-use dry ice packs for shipping food, Nice Packs ice pack sheets are made to be frozen, used, and refrozen multiple times - for coolers, lunch boxes, picnic bags, or shipping.
Ice Packs for Shipping, 10 Sheets, 24-Hour Long-Lasting

Looking for a reliable solution to keep fresh produce and medicines cold during long shipments?
These 10-sheet packs pack 160 cells each, measuring 15.43 × 11.30 in. They expand when soaked for 20‑25 minutes, then dry, freeze overnight, and stay effective for 24 hours. After shipping, just soak for 15 minutes, dry, and refreeze—shape updates quickly. The PE coating prevents sticking, and the thin sheets stay paper‑like, so you can cut them to fit any insulated box or cooler. Beyond food, they also serve as therapeutic cold compresses or dry‑ice substitutes and keep flowers, dairy, and medicines at safe temperatures across long‑distance routes.
Best For: logistics managers and distributors who need to ship perishable foods and medications over long distances.
Pros:
- 24‑hour long‑lasting cooling keeps cargo frozen during extended transport.
- Reusable and eco‑friendly, reducing waste and operating costs.
- Versatile paper‑like sheets can be cut to fit any insulated container or used as therapeutic cold compresses.
Cons:
- Requires soaking and overnight freezing before each use, adding preparation time.
- Must be stored in a freezer, limiting availability on the fly.
- Cooling performance may be lower than dry‑ice or chemical packs, especially in very hot climates.
- Upgraded Anti-sticking Design: BECAUSE BOTH SIDES OF THE ICE PACK ARE COVERED WITH PE(PLASTIC), IT CAN PREVENT THEM FROM STICKING TOGETHER when freezing in the refrigerator. Shipping Ice Pack Usage Step: Place the dry ice packs in water and SOAK IT FULLY FOR 25-35 MINUTES, wait for the dry ice pack to absorb water automatically until it expands, remove it from the water, dry it with a towel, let it dry for 5-10 minutes, then put it in the refrigerator for more than 8 hours
- Tips: 1. Dry ice packs, not DRY ICE CARBON DIOXIDE, NO SMOKE EFFECT! 2. Please store in a sealed zipper bag, do not expose to the air. Otherwise, the ice pack will absorb moisture from the air and the water absorption capacity will be weakened. 3.Trusted by businesses for shipping frozen food and perishables
- Long Lasting Ice Pack: Frozen ice packs can be placed in insulated lunch bags, coolers, insulated shipping boxes, insulated shipping coolers, cold shipping boxes, styrofoam boxes, or insulated mail bag etc, used for frozen food or beverage, perishables, fruits, medicines, breast milk, chocolate, candies, fresh shrimp, flowers, vegetables and other products in the process of transportation to keep fresh and cold. Ice packs can be placed in any insulated container for longer-lasting cold retention
- Reusable Ice Packs: A large ice pack measures 15.43" x 11.30" and contains 16 individual cells, each measuring 3.78" x 2.76"; Before soaking, you can cut dry ice packs to any size along the center of the sealed edge as needed. Note: Do not cut the effective cell area. After prolonged use, the ice pack will lose moisture and flatten, but it will easily return to its original shape after soaking for about 15 minutes again. After drying, return it to the freezer for later use. Ice packs for cooler
- Dry Ice Packs: Ice packs are NON-SLIMY after absorbing water. Dry ice pack sheets are very thin like paper, so easy to store before activated. Ice packs are the good ice replacement product. Ice packs can not only be used in the cold storage transportation industry,but also in cold compress physical therapy for injuries, swelling, sprains, post-operative pain, etc. Small ice packs for shipping, ice packs for shipping food, dry ice sheets for shipping frozen food, dry ice packs for shipping
Dry Ice Shipping Packs for Food & Coolers

When you’re shipping perishables, the right cooler must keep liquids off the surface while maintaining a steady temperature. ICE OWL Dry Ice Packs let you avoid hazardous chemicals. Each sheet contains four durable cells that absorb up to 3 lbs of water and stay dry because of a double‑sided non‑sticky pad. They maintain 0 – 10 °C for 18.5 hrs, longer than compact packs. Slice them to fit a cooler after a 5‑minute soak, towel drying, and freezing well. Polyethylene backing keeps food contact safe, though they don’t work below 32 °F. Certified by TUV and SGS, they’re always reliable for shipping, travel, or medicine equipment.
Best For: shipping perishables that need a safe, non‑hazardous cooler between 32–50 °F, travelers with food or medicine, and anyone who wants a durable, long‑lasting cooling solution.
Pros:
- Maintains a steady 32–50 °F for 18.5 hours, outperforming comparable compact packs.
- Non‑sticky, double‑sided pad keeps water off surfaces, preventing soggy cooler trays.
- Certified safe for food contact, with non‑toxic polyethylene backing and no hazardous chemicals.
Cons:
- Not effective below 32 °F, so unsuitable for ice‑cream or raw meats that require colder temps.
- Requires a brief soak, towel drying, and freezing before use, adding prep steps.
- Limited to 3 lb water absorption per cell—might need multiple cells for very large coolers.
- Not C02: Not Dry Ice - No Smoke Affect
- Anti-sticking: test by TUV and SGS. Unique patented Non-Stick design prevents sticking caused by frozon water
- Long-lasting Performance: With four large cells per sheet, absorbing water to weigh 3 pounds, it is significantly heavier and cold longer to 18.5 hour (0-10°C/32°F-50°F) than other smaller cell packs. This design ensures it stores more cold, maintaining the freshness of fruits, vegetables, milk, and other perishables cold more longer
- Leak-proof: Tempk ice pack material is thicker and less prone to freezing broken.
- Non-slimy & Non-toxic: The innovative dry ice pack sheet features a thin PE backing on one side and non-woven fabric on the other, allowing it to be cut into sections to fit any cooler size. It is non-slimy, non-toxic, safe to contact with food, The surface remains dry at all times after absorbing water
Reusable Dry Ice Packs 24 Large Ice Cells

If you’re shipping temperature‑sensitive goods, you’ll want these Reusable Dry Ice Packs that stay cool for up to 72 hours without any CO₂ fumes. Two sheets give 24 large ice cells, each about 5 in by 2.9 in, and each sheet measures 15.3 in by 11.8 in. Simply soak 5–10 minutes, wipe dry, and freeze for at least eight hours. When ready, place the packs on the top and bottom of your load to stretch cooling time. They handle frozen foods, medicines, vaccines, flowers, and even therapy packs, all while remaining reusable after thaw for repeat use, saving cost and reducing waste in every shipment.
Best For: Cargo shipments, medical deliveries, or outdoor gear that demand reliable, long‑lasting, reusable cooling—think food transport, vaccines, or outdoor adventures.
Pros:
- Long‑lasting cooling for up to 72 hours with no CO₂ fumes.
- Reusable after thaw, saving money and reducing waste.
- Versatile size allows placement above and below loads for maximum endurance.
Cons:
- Requires pre‑freezing for at least eight hours, adding prep time and freezer space.
- Needs a quick 5–10 minute soak before each use.
- Bulkier than single‑cell packs, which may limit placement in very small coolers.
- NOTE: The item is NOT CO2 - NOT DRY ICE - NO SMOKE EFFECT! They are just bulk ice packs to keep your frozen food or perishables cold and fresh for a long time. Placing a layer of frozen ice packs on the bottom and top of any food or meltable items in a cooler or insulated shipping box to keep it cold for up to 72 hours. Dry ice packs for shipping frozen food, ice packs for shipping perishables. Dry ice packs for coolers, ice packs for shipping
- Easy To Use: Soak it for 5-10 minutes to absorb water until it expands, wipe it dry and freeze it for 8 hours or more, then you can use it to keep it cold and fresh. One large sheet ice pack size:15.3 in x 11.8 in, When a large ice pack can be divided into 12 cells, each cell is 5 in x 2.9 in. You can cut along the dotted line as you like. Cold packs for shipping, shipping ice packs long lasting, ice packs for lunch boxes, lunch box ice packs, cold packs for cooler, dry ice packs for shipping
- Reusable Ice Packs: The freezer ice packs are great for shipping and mailing: for example, ice packs for shipping food, perishables, medication, chocolate, frozen seafood, breast milk, vaccines, fresh beer, beverages, frozen meat, cakes, candy, ice cream, fish, candles, medicine, butter, flowers, pathology samples etc. The ice packs can be reused by absorbing water, freezing and using them in their un-pressed or squeezed state after use. Cooler ice packs, freezer packs for coolers
- Usages: When you go to the grocery store to buy frozen food (frozen meat or ice cream, etc.) during the hot summer months, keep your frozen food purchases from melting by placing two frozen ice packs in your shopping bag. When you want to share cakes, chocolates, candies, frozen food, etc., you can put the ice packs into the insulated shipping box to mail to your distant friends or famliy. When you go out camping or traveling, you can use the ice packs to keep your ingredients cold and fresh
- Multifunction Ice Cold Packs: Ice packs can not only be used to keep food cold and fresh in containers such as coolers, insulated shipping boxes, foam boxes, insulated bags, cold food shipping boxes, etc., but can also be used in the body parts of the pain relief of cold packs of physical therapy,such as knee ice pack wrap, shoulder ice pack, ankle ice pack wrap, neck ice pack wrap, elbow ice pack, foot ice pack wrap, wrist ice pack wrap, hip ice pack wrap, ice pack for injuries and so on
ICE-BRIX 96-Pack Gel Ice Packs for Shipping

For anyone who needs to ship frozen food, meal‑prep kits, or temperature‑sensitive medical supplies, the ICE‑BRIX 96‑Pack Gel Ice Packs deliver instant chill and extended cold retention—outperforming water blanks and keeping your goods safely cold on the move. With dimensions of 15.5 × 1 × 1 in., each 3‑oz. pack fits neatly in 5‑by‑2 ¾‑by‑¾‑in. holders, letting you arrange 96 packs per box for maximum coverage. They stay colder than water blanks, so you’ll see sustained chill, even during long trips. The leakproof, food‑safe gel eliminates mess, and you can reuse them—no disposable packs or dry ice needed. Pack weight is 17.84 lb., making shipping easy.
Best For: shipping frozen food, meal‑prep kits, or temperature‑sensitive medical supplies that require longer‑lasting, instant chill without leaks or disposables.
Pros:
- Extended cold retention surpasses water blanks, keeping perishables safe over long trips.
- Leakproof, food‑safe gel prevents messes and allows reuse, reducing cost and waste.
- Compact 3‑oz packs fit standard racks, maximizing cooling capacity in each 15.5‑in shipping box.
Cons:
- Each box weighs 17.84 lb., adding shipping cost for heavier payloads.
- Requires pre‑freezing or maintaining a cold chain prior to shipping for optimal performance.
- Limited to 3‑oz pack size, which may be insufficient for larger volume cooling needs.
- COMPACT 3 OZ COLD PACKS: Small reusable gel ice packs are ideal for tight spaces, small mailers, lunch bags, snack boxes and compact insulated shipping containers.
- IDEAL FOR MEDICATION SHIPPING: Great size for shipping temperature-sensitive items including GLP-1 weight loss medications, insulin, prescriptions and small medical shipments when packed according to carrier and product requirements.
- FOOD SAFE & LEAKPROOF: Durable Ice-Brix cold packs help keep food, drinks, meal prep, seafood, meat, snacks and perishables cold without the mess of loose ice.
- FREEZE BEFORE USE: Place flat in the freezer until fully frozen, then add to insulated bags, medication mailers, lunch boxes, coolers or shipping boxes for dependable cold retention.
- BULK 96 PACK VALUE: Includes 96 white ice packs, each 5 x 2 3/4 x 3/4 in and 3 oz; perfect for ecommerce, pharmacies, meal prep businesses, lunches and recurring shipments.
Honoson Insulated Shipping Boxes with Ice Pack

Looking to keep perishable goods chilled during transit? Honoson’s insulated shipping boxes do exactly that. Each pack contains two compact 6 × 5 × 6.5‑inch containers, built from thick kraft on the outside, high‑density foam in the middle, and an inner aluminum‑foil layer that blocks heat and light. The boxes ship flat, so you save storage space, yet they’re lightweight and durable. Inside, you’ll find two aluminum‑foil liners and ten reusable ice packs that you pre‑fill in 3‑5 minutes, then refrigerate for 6‑10 hours. They’re leak‑proof, can be reused multiple times, and keep seafood, milk, desserts, and groceries fresh at all times today.
Best For: small business owners and individuals who need compact, reusable, and durable insulated shipping solutions for perishable items like seafood, dairy, and desserts.
Pros:
- Quick, leak‑proof ice pack prep—just 3–5 minutes of filling and a few hours of chilling.
- Robust multilayer insulation (kraft, foam, aluminum foil) keeps contents cold and protected from light.
- Flat‑pack design saves storage space, and the lightweight, reusable boxes reduce shipping costs over time.
Cons:
- Limited capacity—only two small boxes per kit, which may not suit large shipments.
- Requires access to a refrigerator for pre‑cooling the packs before use.
- No built‑in temperature monitoring; users must rely on ice pack durability for temperature control.
48 Pack Reusable Shipping Dry Ice Sheets

These 48‑sheet packs, each weighing just 6 g, let you ship perishable goods without the bulk of ice packs. With the WORLD‑BIO WBA970701‑200, you’ll get 48 foldable sheets that measure 5.5 × 3.9 in and weigh a total of 198.45 g. The polyethylene‑and‑nonwoven design keeps them flat until you soak them; after 5 min you dry the surface, refreeze for 6 h, and they absorb up to 33× their dry weight, expanding to 1.3 in. Their dual‑layer backing prevents leaks and leaves no residue, so you can reuse them in bags for foods, seafood, and samples. They biodegrade after use, making them an eco‑friendly cooling solution today.
Best For: Professionals and businesses shipping perishable foods, seafood, or medical samples who need a lightweight, reusable, and eco‑friendly cooling solution.
Pros:
- Extremely lightweight and packable, allowing more goods per shipment.
- Reusable with no liquid residue, saving costs and reducing waste.
- Eco‑friendly: biodegradable after use and food‑grade material.
Cons:
- Requires soaking, drying, and refreezing—a time‑consuming prep step.
- Not suitable for microwave or freezer use, limiting versatility.
- Does not reach the ultra‑cold temperatures of traditional ice or dry ice.
- ❄ Economical - Small shipping ice packs lighter than traditional ice packs. Dry ice pack stay thin as a piece of paper before soaking water, weighted 6g, lightweight to save more valuable space for you. After absorbing water, and freezed, WORLD-BIO dry ice pack sheet turns to frozen ice block. Great reliable for shipping.
- ❄ Leak proof and Durable - Reusable ice pack sheet featuring a thin PE backing on one side and soft cloth on the other to provide comfort. The latest technology products will not have mucus after water absorption and will not leak out.
- ❄ Convenient to Use - Just soak dry ice sheets in water for 5 minutes, dry the excess water on the surface, freeze at least 6 hours, then you can use it for transportation of foods and seafood, perishables, pathology samples etc.
- ❄ Cold Long lasting - Shipping cold pack measures 3.9’’ x 5.5’’ and expandable materials absorb 33 times their weight in water, can expand to about 1.3’’ thick. Stays cold for whole day in insulation bags or box like a frozen gel packs after absorbing water, which lasts longer than normal water pack.
- ❄ Environmentally safe and Ice Replacement - Freezer packs for coolers is non-toxic, food touchable and soon to degrade in the natural environment. Freeze sheet is currently used by many of the industry users and home kitchen. Professional test and produce, NO SLIMY.
Polar Tech 245C Thermo Chill Insulated Carton

The Polar Tech 245C Thermo Chill insulated carton is the go‑to choice when you need a lightweight yet rugged carrier that keeps temperature‑sensitive specimens cold during transit. With dimensions of 17 in by 10 in by 8.25 in, it weighs a mere 2.5 oz while its 1.5‑in thick foam walls deliver up to 45 kg of breaking strength. The seamless, molded body and detachable lid trap air, preserving frame temperature and making it reusable and recyclable. Ideal for biotech, organ transport, pharmaceuticals, and fine chemicals, this sturdy carton protects samples, toxins, and tropical marine life with uncompromised integrity. Across all shipments, you’ll trust its precise cooling.
Best For: researchers and logistics teams handling temperature‑sensitive biological samples, pharmaceuticals, and fine chemicals who need a lightweight, reusable insulated carrier.
Pros:
- Light weight (2.5 oz) and durable 1.5‑in foam walls for excellent temperature retention.
- Strong breaking strength of 45 kg and seamless construction ensures robust protection during transit.
- Reusable and recyclable design reduces waste and long‑term shipping costs.
Cons:
- Fixed dimensions may not fit larger or oddly shaped samples.
- No integrated temperature monitoring or active cooling system.
- Requires manual handling for sealing and resealing each shipment.
20 Dry Ice Packs for Shipping Coolers

When you need to keep perishable items perfectly chilled across miles, the 20‑pack Tempk Dry Ice Packs’ double‑sided, non‑stick construction delivers 18‑hour cooling without leaking water.
You soak each pack for five minutes, wipe off the surface to avoid excess moisture, and then freeze them. When packed, the du‑layer design—PE on one side and non‑woven on the other—keeps the food safe, preventing slime contact. Each 0.14 kg unit expands to 4.37 × 4 × 1.57 in after water uptake, stays leak‑proof thanks to thicker material. During transit, the packs maintain 32°F, ideal for fruits, veggies, dairy, but not for ice‑cream meats that need colder temps.
Best For: people who need to ship or transport perishable goods such as fruits, vegetables, and dairy over long distances without perishable spoilage.
Pros:
- Double‑sided, non‑stick construction prevents water adhesion and keeps food dry.
- 18‑hour cooling at 32 °F keeps produce and dairy fresh during transit.
- Leak‑proof, thick material resists breakage and keeps water contained.
Cons:
- Not suitable for items requiring temperatures below 32 °F (e.g., ice cream, raw meat).
- Requires a 5‑minute soak and freezing step before use.
- Each pack is lightweight (0.14 kg) but bulk quantity may still affect shipping weight limits.
- Not C02: Not Dry Ice - No Smoke Affect
- Anti-sticking: Unique patented Non-Stick design prevents sticking caused by frozon water
- Long-lasting Performance: After absorbing water, it expands to 4.37 x 4 x 1.57 in (345g), offering a larger size and longer cooling retention—lasting up to 18 hours.This design ensures it stores more cold, maintaining the freshness of fruits, vegetables, milk, and other perishables cold more longer
- Leak-proof: Tempk ice pack material is thicker and less prone to freezing broken
- Non-slimy & Non-toxic: The innovative dry ice pack sheet features a thin PE backing on one side and non-woven fabric on the other. It is non-slimy, non-toxic, safe to contact with food, The surface remains dry at all times after absorbing water
WORLD-BIO 96-Cell Shipping Ice Packs

If you’re shipping fresh produce, dairy, or meat across long distances, you’ll appreciate how every WORLD‑BIO 96‑Cell Shipping Ice Pack sheet delivers up to 11 lb of ice—enough to keep a crate cool for 48 hours.
Each 13 × 7 cm sheet contains 12 cells, giving you plenty of packs for packing. The thin PE backing and non‑woven top keep the ice from slinking, while remaining food‑safe and residue‑free. To use, soak the sheet for 5 minutes, dry, then freeze for least eight hours. After freezing, drop the sheet into your insulated container; it delivers 48 hours below 40°F, perfect effortlessly for suitable goods.
Best For: anyone shipping fresh produce, dairy, or meats that needs a reliable, food‑safe cold pack to keep items below 40 °F for 48 hours over long distances.
Pros:
- Delivers up to 11 lb of ice per sheet, ensuring extended cooling performance.
- Food‑touchable, non‑slimy surface with no residue or contamination.
- Simple activation: soak 5 min, freeze 8+ hrs, then use directly in insulated containers.
Cons:
- Requires pre‑freezing for at least 8 hours before use.
- Heavier after soaking (≈50 g), adding weight to shipments.
- PE backing must face the freezer; improper sealing can reduce effectiveness.
- ❄ LONG LASTING COLD ICE PACK SHEET - Shipping ice pack is the first choice for cold food storage and transport, when transfer the fruits, vegetables, milk, or meat for a long time shipping, frozen gel pack still keep food fresh like just produced. 8 sheets in 1 package, 12 cells each sheet. 13'' x 7''.
- ❄ MOST EFFECTIVE ICE REPLACEMENT PRODUCT - Cooler gel ice pack is currently used by many of the industry users and home kitchen, it is considered a world industry standard and can be bulk hydrated. Cooler ice packs sheet is lightweight, foldable and thin like a paper before absorbing water, save valuable space easily.
- ❄ NO SLIMY & NON-TOXIC - The magician dry ice pack sheet featuring a thin PE backing on one side and non-woven fabric on the other side and can be cut into cells to fit any size cooler. Non-slimy, non-toxic, food touchable and environmentally safe. The surface stays dry no matter when and where after absorbed water.
- ❄ EASY TO USE - Shipping ice pack is convenient to use: Soak in water for 5 minutes, dry off the surface with a towel, freeze at least 8 hours and then you can use it. One frame weights 1.5g before soaking, 50g after soaked. 96 cells means you will get 11 pound ice. When freeze the gel pack, pay attention to the PE side facing the refrigerator. Do not let the non-woven fabric side be next to he non-woven fabric side.
- ❄ QUALITY GUARANTEE - WORLD-BIO has been a leading provider of hot cold gel packs, cold shipping chain since 2001, our goal is to provide you products that are safe, effective, and easy to use. WORLD-BIO frozen packs maintain cold temperature for 48 hours in an insulated container.
Factors to Consider When Choosing Ice Pack Sheets for Cold Shipping Boxes
You’ll assess the pack’s cooling capacity to match the volume of goods you ship, ensuring the ice stays solid for the required duration. Next, you’ll balance cost against performance, looking for a sheet that offers strong cooling without breaking the budget. Finally, you’ll verify safety standards and durability, choosing sheets made from approved materials that can be reused multiple times and still fit the various box sizes you need.
Capacity Determination
Knowing the shipment’s heat load is the first step to sizing your ice pack sheets. You’re responsible for the outcome. Calculate it by multiplying the mass, heat, and the desired temperature drop using Q = mcΔT, for precise results. Estimate each pack’s energy by multiplying its weight by its heat capacity and the 0 °C to ambient temperature differential. Divide the shipment heat load by the energy per pack to find the minimum number required, then add a 15–20 % safety margin for unexpected heat ingress. Account for container insulation—conductivity radius reduce heat ingress, longer transit need 1.5–2 times nominal count. Finally, validate the estimate with thermal‑simulation tools that model ambient conditions, airflow, and product surface area, ensuring cargo stays within the target temperature range throughout the journey.
Cost vs Performance
After sizing your pack needs, you head into the cost versus performance battle. Start comparing upfront price to total cooling hours. A 3‑lb bulk pack that keeps chill for 24 hrs might cost $X/24hrs—use that as a benchmark. A lighter sheet lasting 12 hrs may need more units, driving up per‑use cost. Think long‑term: a $5 reusable pack that survives 7 cycles saves you to roughly $0.71 per use versus a $2 disposable, which stays at $2 each time. Shipping fees also matter; a 0.2‑lb sheet charges less per kilogram than a 0.4‑lb disk, so heavy yet long‑lasting packs can be cheaper per kg transported. Leaks and tear‑resilience add hidden costs. Make the trade‑off that fits budget and durability. It balances cost and longevity effectively today.
Material Safety Standards
When choosing ice pack sheets for cold shipping, you’ll want to verify that the polyethylene or polypropylene layers are certified as food‑grade and meet FDA 21 CFR Part 177, with leachable contaminants below 0.1 ppm.
Second, double‑sided construction—soft, non‑woven fabric on one side and a thin PE backing on the other—must be verified by ASTM F963 tests, ensuring no sliminess, microbial growth, or additive migration during freeze‑thaw cycles.
If you target medical or laboratory shipments, the material must satisfy ISO 17665‑1 requirements, guaranteeing resistance to pathogen transfer, sterilizability, and integrity through repeated cleaning.
Lastly, fire‑safety auditors will check UL 2770‑compliant components for low‑smoke, zero‑halogen performance at heat, and consumer safety docs confirm BPA‑free status with lab‑verified migration limits aligned to EU Regulation EC No 1935/2004.
These certifications let you trust the sheet’s safety worldwide today.
Reusable Durability
Building on the safety framework, you’ll need to evaluate how long a pack sheet can keep its cooling power across repeated uses. A reusable sheet delivers a 24‑hour chill after four to six freeze‑thaw cycles, and retains 18 hours of cooling even after seven cycles inside an insulated box. Each sheet swells to about an inch thick, absorbing 30–60 times its dry weight; its absorbency stays above 80 % after ten cycles. After use, soak for 5–10 min, dry for 5–10 min, then refreeze for 6–8 hours to restore power. Durability tests show no cracks or leaks after 30 cycles. For the longest reuse life, lay the PE‑backed side toward the freezer and avoid fabric‑over‑fabric contact to keep the non‑sticky surface intact for year storage.
Sizing Flexibility
How can you guarantee an ice‑pack sheet fits perfectly into any cold‑shipping box?
You trim the sheet along a PE backing cutline, matching any cooler or container shape without waste.
By selecting cell arrays—from 3 in × 2.2 in up to 5 in × 2.9 in—you scale cooling capacity to match your shipment volume or weight limit.
The dry, paper‑like profile lets you fold or crumple the sheet for compact storage before freezing, keeping inventory space efficient.
Dual‑sided, non‑sticky coatings allow you to layer sheets edge‑to‑edge, stack them securely, and place them in any sub‑compartment of an insulated box.
Finally, letting the sheet soak expands it about an inch, enabling you to adjust thickness and align it precisely with your vessel’s internal dimensions.
This customization guarantees your shipment stays consistently cold from pickup to delivery and smoothly.
Cold Retention Efficiency
To keep your cargo frozen, you’ll need to grasp the factors that determine how long an ice pack stays at the desired temperature. The core cryogenic technology matters most. Water-filled packs contain far more latent heat than gel or conventional ice, giving 2–3× longer cooling windows in a standard insulated cooler. Pack size and surface area drive heat transfer. A larger volume increases latent heat and extends retention, while a thinner pack cools faster but may lose temperature more quickly. Adding insulation to the pack or the box’s outer layer boosts retention by 20–30 % by shrinking convective heat flux. This small upgrade can lengthen overall cooling time. Finally, a starting temperature 10 °C lower gives 12 hours more cold retention if your container is insulated today.
Temperature Suitability
Choosing the right ice pack sheet is the first step in guaranteeing your cargo stays within the exact temperature window it needs. With frozen packs that reach below 0 °C, you preserve meats, pastries, and other temperature‑sensitive goods for up to 72 hours, especially when the ambient temperature is high. If the item is food‑grade, a pack that freezes to roughly 0 °C keeps the contents between 2 °C and 8 °C for 24 to 48 hours, ensuring dairy and produce stay fresh. Cold‑hold duration weakens as outdoor temperatures climb; at 20 °C, a fully frozen sheet can rise from 0 °C to 4 °C in just eight hours, whereas at 5 °C it may stay below 4 °C for a full day. Expanded sheets lift ice at cold temperatures, maintaining stable ranges during long‑haul trips.
Compliance With Regulations
Above all, ensuring compliance with TSA, FAA, FDA, ISO, and EU regulations is essential when selecting ice pack sheets for cold shipping boxes. You’ll seal each sheet in a leak‑proof bag no larger than 1 liter, holding no more than 100 mL, to meet TSA’s 100‑mL liquid rule. For regulated agricultural shipments, label the packs with temperature limits (≤5 °C chilled, ≤–18 °C frozen) as FAA § 229.9 dictates, and trace them under IPPC protocols. FDA requires food‑grade, materials that defend against cross‑contamination across the supply chain. ISO 22000:2018 demands documentation that the pack keeps ≤5 °C for at least 24 h inside a 48‑h insulated crate. Lastly, EU Hazard Regulation (333/2010) mandates hazard labels on non‑CO₂ gel and pre‑shipment leakage checks and prevent costly recalls or logistical setbacks for you today.
Frequently Asked Questions
Are Ice Packs Allowed in All Shipping Carriers Worldwide?
You’re right: ice packs aren’t universally allowed. Some carriers, especially USPS and UPS, prohibit them in certain packages or require special handling. DHL and FedEx usually permit them, but check each carrier’s policy before shipping. Certain international customs also restrict ice. To avoid delays, label containers clearly, use approved gel packs, and confirm with each carrier’s regulations beforehand. Additionally, you might use ice, which many carriers allow but requires permits.
How Do Ice Packs Affect the Shelf Life of Perishable Foods?
A stitch in time saves nine, so you keep your perishable foods chilled right from the start. When you pack ice packs around your products, you’ll maintain a steady, low temperature that slows bacterial growth and enzymatic processes. This quick and consistent cooling blocks spoilage, extends freshness, and can double or triple shelf life compared to room‑temperature shipping. In short, you preserve taste, texture, and safety for longer every day.
Can Ice Packs Be Used for Live Animal Transport?
Yes, you can use ice packs for live animal transport, but you need proper precautions. You place the packs under the animal’s bedding so they don’t stick. You monitor body temperature frequently, and avoid cold exposure that could chill or shock the animal. You pick insulated containers, keep the packs on, and check that the animal stays comfortable and safe throughout the journey. You notify staff about temperature alerts immediately.
What Environmental Impact Do Disposable Ice Packs Have?
You’ll find that disposable ice packs hurt the planet. Each pack typically contains a gel or salt blend that, when melted, releases substances into waterways. Their single‑use design leads to large trash volumes, and most aren’t recycled properly. They consume energy during production and transport, adding to your carbon footprint. Replacing them with reusable, rechargeable options can slash waste and lower your ecological impact to protect future wildlife and ecosystems.
Are There Regulations on the Amount of Ice per Shipment?
Not really—you won’t find a single global rule limiting how many ice packs you can ship. In practice, carriers set limits mainly for safety and regulatory compliance: they won’t allow ice that could freeze the container, damage equipment, or pose fire risks. Instead, you check the carrier’s guidelines, your product’s temperature needs, and any local customs rules before packing. This approach guarantees compliance and protects both goods and transportation staff.
Conclusion
You choose, you pack, you ship: you decide which packs keep your goods safe, which sheets stay cold, which packs last longest. You don’t neglect quality or cost, you test durability before sealing boxes. You think about freshness, you consider safety, you focus on reliability; your selection shapes transit, protects each item, and builds trust. Ultimately, you trust the pack that delivers peace, keeps flavor intact, and meets your standards and your business thrives today.
cold shipping, ice pack sheets, shipping insulation
