ThermoSafe 418 Freezer Pack,12 Oz.,6-3/4" L,4" W,pk24 FRK7E_DI253

Product details:

Available in a broad selection of styles and a multitude of sizes, they’re designed to provide reliable temperature protection for a vast array of products and packages. U-tek Phase Change Materials Phase change formulas ideal for products requiring frozen temperatures or extreme cold that may not tolerate dry ice or CO2.