Three Side Seal Food Vacuum bag is a nylon and PE co-extruded food Vacuum Bag, suitable for meat, grains, vegetables, fruits and other foods.Three Side Seal Food Vacuum bag is a 7/9-layer structure with soft texture, high gas barrier and high puncture resistance, which can ensure long-term preservation of food, bright color and no loss of nutrition .vacuum bags to pack meat can extend the shelf life of the original 3-5 days to 25-30 days, with bright color and no loss of nutrients.