SuperCold ThermaFreeze SILVER 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 * Supercooled ThermaFreeze SILVER ICE - 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; DO NOT MICROWAVE