... good puncture resistance 2.sealing strong 3.environmental friendly 4.non-toxic paper bag, kraft paper bag, brown paper bagMaterial: ... feature: 1. vacuum avaliable, non-toxic, waterproof, moisture-proof, anti-oxidation 2. environmental friendly, heat sealing, sealing strong 3. good ... to 9 colors. (gravure) StyleVacuum,film,label,stand up, heat seal,gusset,zip lock, etcMOQBased on the size of bag(often ...