... reagent, pharmaceuticals, blood plasma, vaccine,aquatic products, fish for display and food for foreign trade. 2.Daily life 1.Electricity-saving, ... etc. 2. Put it inside the lunch bag, cooler bag to keep the foods&drinks old outdoors for picnics or camping. Usage: 1. Can ... fridge or freezer for 12hours. 2. Place the ice pack level in the fridge or freezer. 3. Reusable. super ice box for lunch bag