1. It is gel,clean, nontoxic, flexible. 2. Longer-lasting, high performance thermal 3. Leakproof 4. Re-usable APPLICATIONS:1.keep products cold in transit and maintain desired shipping temperatures for drugs, blood,biochemical reagent, drug, blood, vaccine, sea food etc.2.Cold therapy: lower the temperature , inflammation resistant, alleviate pain, and physical therapy for strain, bruise.3.Save ...