... barrier;2.Security,easy to take and use;3.Strong sealing strength, non-breakage, non leakage ... bags, such as washing powder, pool powder, etc.3) Garments bags, mainly for underwear, socks, T-shirts ... bag for mask, towel, etc. Material:2 Layers laminated materials:BOPP/CPP or PE (Transparent) PET ... CPP (Opaque) BOPP or PER/VMCPP(Metalized)3 Layers laminated materials:PET/AL/PE (Metalized) PET/VMPET ...