... custom printed ziplock bags 1)material: NY/PE 2)color: transparent 3)feature:security, ... is optional, PE or CPP/PET/AL, PE/VMPET/OPP, matte CPP/PET/OPP, PE/PET/OPP, CPP or PE/PET/BOPP, PE/PA, RCPP ... -layers plastic laminated materials, such as PP,PE,OPP/PET/PA/AL. And the bag ... packing bags , plastic -aluminum laminated packing bags , PE or PET laminated packing bags. Moreover, materials, colors, ...