1.express bag 2.good stretchy with MLLDPE 3.self-adhesive 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 by moisture resistance,static resistance,shock resistance load endurance and ...