MULTIPLE USES : Can be used to store Meat, Nuts, Medicine, Seafood, Snack and Frozen food. It has a freeze resistance temperature of -40 degree celsius.This roll is made of Food Grade Plastic which is BPA-free, can be boiled with food up to 100 degrees, and can be heated with food inside a microwave without releasing any harmful chemicals. Kindly take care that the pouch should not be touching flame or a very hot object directly.