ThermaFreeze Reusable Ice Pack Sheets / Ice Packs -20 XXL Sheets: 12.5x15 inch sheets (5x6 cells = 30 large cells each, 600 cells total) - Reusable, Flexible, Non-Toxic - Lasts hours longer than ice! Reusable ice packs, 3 ply construction, flexible when frozen, can cut to size; made in USA Flexible when frozen - contours around food, coolers, body parts - not rigid like ice gel packs Use it for cold storage, cold transport, or for cold therapy and pain relief Cut to any size, used in medical and transportation industries Ships flat - just soak, freeze, and use - non-toxic; lasts longer than ice packs with no drips ThermaFreeze Original White Icereusable ice packs, 3 ply construction, made in USA Flexible when frozen - contours around food, coolers, body parts - not rigid like ice gel packs Use it for cold storage, cold transport, or for cold therapy and pain relief. ThermaFreeze Original White Iceis the most freezing cold ice sheet product on the market Cut to any size, used in medical and transportation industries. Ships flat - just soak, freeze, and use - non-toxic; lasts longer than ice packs with no drips Provides cooling without becoming wet so you can keep them on as long as necessary. They also don&#039;t drip like ice so they don&#039;t mix with the food or soak the product needing refrigeration. 1 ounce of ThermaFreeze Original White Ice material (a 4 x 6 cell, 10 x 15 inch sheet) converts to 1.5 pounds of frozen ice packs! Hydration takes only seconds per sheet and is performed by soaking or spraying the cloth side of the pad with water. Once hydrated, it is ready to be placed in a freezer and will be fully frozen in approximately 2 hours. Soak, freeze, dry and use - non-toxic; lasts longer than ice packs with no drips Ships flat, stores flat You can reuse the sheets by refreezing or rehydrating first. The packs may shrink over 10-15 days due to evaporation.