1, Plastic packaging bag for food,pet food,chemical,corn ect. 2.Material: OPP,PET,AL,PE,CPP ect 3, strong sealing strength Material application Packing ProductMaterial StructurePacking MethodProperties RequiredPet foodPA/CPP.PA/VMPET/PENormal automatic roll packingOil resistance, moisture barrier, economic, high speed packingPuffed FoodBOPP/VmCPPBOPP/VmPET/PEGas Flush packingGas barrier, light ...