... is gel,clean, nontoxic, flexible. 2. Longer-lasting, high performance thermal protection for valuable APPLICATIONS:1. keep products cold in ... reagent, drug, blood, vaccine, sea food etc.2. Cold therapy: lower the temperature , inflammation resistant, alleviate pain, and ... refrigerator, release cold and keep refrigerator at a cold temperature when power off.CHARACTERISTIC:1. It is gel,clean, nontoxic, ...