3oz PolarPack, 3.25 x 4 x 0.63

For over 30 years, Polar Pack refrigerants have provided thermal solutions for temperature critical packages during transit. 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. Each Polar Pack refrigerant is backed by decades of proven quality, reliability, and engineering expertise. Regardless of size or style, these products deliver the stability and quality you demand from your refrigerant. Cost effective, non-toxic protection for shipping temperature sensitive materials Reusable, returns to gel state on thawing Phase changes at 0°C (+32°F) Standard An economical alternative to wet ice enclosed in durable 4.1 mil polyethylene film. PolarPack gel packs provide reliable refrigeration for safe transport of pharmaceuticals and other medical products. Foam Brick These semi-rigid foam bricks never change shape during freezing, thawing or transit. PolarPack Foam Bricks maintain designated packing configurations throughout the trip. Each brick is vacuum sealed for consistent weight and shape.