❄ Economical - Small shipping ice packs lighter than traditional ice packs. Dry ice pack stay thin as a piece of paper before soaking water, weighted 3g, 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 3 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 etc. ❄ Cold Long lasting - Shipping cold pack measures 3.3’’ x 4.7’’ 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. 96 packs dry ice sheet in all. ❄ 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, it is considered a world industry standard and can be bulk hydrated. Professional test and produce, NO SLIMY. ice gel keep food cold cooling gel pad cooler ice brix shock ice packs reusable food ice bag cool packs for food transport gel refrigerant shipping frozen food thin ice sheets lunch box bag dry ice shipping food storage freeze pack