Refrigerant Gel Pack PolarPack® 5/8 X 3-1/4 X 4 Inch, 3 oz., Reusable For Providing Reliable Temperature Sensitive Protection for Safe Transport of Food, Pharmaceutical and Medical Products

Polar Pack gel packs provide reliable, non-mechanical refrigeration for the safe transport of food products, pharmaceuticals, and other medical products

Multi-layered exterior minimizes surface condensation which protects product from moisture damage

Outer film layer assures products arrive in top condition by absorbing condensation

Laminated, metalized film exterior provides radiant heat barrier, resists punctures

Phase change formulas ideal for products requiring frozen temperatures or extreme cold that may not tolerate dry ice or co2