... Eco-friendly 4.Excellent smoothness. Low bag-broken 5.OEM service PE High speed film blowing machine high quality 7-layer co- ... 5) puncture resistance,transparency7)keep food longer time fresh8)high seal strength, good heat-sealing performance, excellent smoothness ... ,PVDC-FILM,PET,VMPET,VMCPP single-layer and multilayer lamination material high barrable high strength,especially excellent use for food ...