3.material:PET/PA/PE, PET/PA/AL/PE, PET/VMPET/PA/PE, PET/AL/CPP, PA/PA/AL/PE, BOPA/CPP, BOPA/PE/BOPP/VMPET/PE, BOPA/PET/CPP, PET/AL/CPP, BOPP/PE, PET/AL/APOB/CPP, BOPP/CPP/BOPP/VMCPP, BOPA/PET/PE, BOPP/VMPET/CPP, ETC..