... to 8 colors plastic food packing film Material StructurePET/PE, PET/AL/PE, PET/CPP, BOPP/PE, BOPP/VMPET/PE, PA/PE, etc.Product ... typeThree side seal bag, central seal bag, gusset bag, film roll, etc ... Sealing Strength, Non-Leaakage and non-breakage snack food packing film