Instruction

Put it in the freezer for 12 hours or more to freeze the pack,

then put it in the cooler or cooler bag to keep the fresh of

food as a cold media.

The range of application

1.It is perfect for storage and transportation of biochemical

reagent or medicine.

2.For storage and long-distance transportation of fruits, seafood

and other perishable products.

3.When without cold source, you can use it to freeze and keep

fresh of vegetable, beer, beverage, food and so on.