... boxFeatures:1) Applications:a) Very effective for keeping goods fresh during transportation, for all kindsof biology freezing reagents, medicine ... , blood plasma, bacteria, seafood, poultryand fresh food.b) Use for first-aid applications of sports ... cold in the refrigeratorwhen out of electricity, keeping food, fruit fresh and drink iced outdoorse) Reusable, Non-toxic, Non-caustic ...