... from light,airlock QS, SGS approved material Customized accept heat sealed foil plastic packing facial mask bags Key specification/ Special ... bagsPrinting colors 1-10 colors for you chose Material PET , BOPP , CPP , LDPE ,VMPET , VMCPP , Aluminum foil , Papertwo- ... layercomposites:PET/CPP,PET/PE,BOPP/CPP,BOPP/PE,PET/VMCPP ,BOPP/VMCPPthree-layer composites: PET/VMPET/PE,BOPP/VNPET/CPP, PET/ ...