Phase change formula lasts 15% longer that standard gel packs
Four formulations from 32 to -10°F (0 to -23°C)
Nontoxic and reusable
Keep your sensitive materials at the right temperature. High-tech phase change formula is ideal for products requiring an accurate, consistent temperature — returns to gel state when thawed. Soft Cold Packs are manufactured with laminated, metallized film exterior to resist punctures and provide a radiant heat barrier.