... of high polymer, which is nontoxic, clean, safe and environmental. The opening cans airproof by itself. After adding ... , fruits, dairy products, fish, poultry, ornamental fish and Paste, etc. 3) It could maintain low temperature when ... the power of refrigerator is outage, and keep the food fresh.4) For patients: lower ... available5. Certificate: CE, SGS, MSDS, ROHS, etc. seafood cooler bag