We purchase materials at the same time when making cylinders.
The main materials we use are: BOPP, CPP, VMCPP, PET, VMPET, KPET, Aluminum foil, LLDPE, White LLDPE, BOPA.
Different bags need different material combination. Usually are: BOPP/CPP, BOPP/VMCPP, PET/LLDPE, PET/VMPET/LLDPE, PET/AL/LLDPE and so on.