... 2.sealing strong 3.environmental friendly 4.no-toxic zip lock bag, zipper bagMaterial: PET/Brown paper/AL/PE(general packaging ... packaging, also apply to building materials, chemical raw materials; Paper-plastic bag gets more and more widely used, which is one ... . (gravure) StyleVacuum,film,label,stand up, heat seal,gusset,zip lock, etcMOQBased on the size of bag(often 10000pcs) Origin Shenzhen ...