PAPE Bag is made of PA and PE materials, PA has good barrier properties, PE has excellent shrinkage. We made this bag not only has excellent oxygen barrier and shrinkage through scientific formula, but also has outstanding puncture resistance. We use this formula to produce commonly used Shrink Film, shrink bag, Tuna Bag, Poultry Bag, Meat Shrink Bags, Cheese Bag, Barrier Bag, Plastic Casing, Vacuum Bag.etc.