... 4.destructive strong adhesive 5.durable and tearing resistant 1.Express bag material thus as LDPE,MLLDPE,PP,HDPE,BUBBLE.2 ... .Bags can be printing within ten colours.3.Zip lock express bag use high stretchy meonolayer or multilayer laminated material characterized ... : NO.60, Siming Garden, Tongan Industrial Zone, Xiamen zip lock express bag