... non-anti-radiation, elastic and reusable.3. As a new frozen medium, there is no water pollution when it is thawing ... , suppuration, and skin care.3. Refrigerate and transport various biological frozen reagent, such as paste, poultry medicines, pharmaceuticals, plasma, vaccines, ... 12 hours, you can use it as frozen medium for any food, drug according to needs.Notes:Level ice packs or determine ...