Freezable ice pack

Character
1.Reusable for cold use.
2.Maintain long-time low temperature.
3.Non-toxic, non-caustic, no off flavor and side effect.
Application
1. transportation
Long-distance transportation of various biological frozen reagent, pharmaceuticals, blood plasma, vaccine, aquatic products, fish for display and food for foreign trade.
2. Daily life:
Electricity-saving, keeping cold when out of electricity, keeping the foods fresh, iced drink, traveling etc.