SAFE MATERIAL: These self -adhesive cellophan bags are made of good quality, non -toxic, suitable for food use oriented (OPP) material. The thickness is 30μm, sufficiently resistant to different small items. Quality ratio Price: These self -adhesive zeofan bags are a total of 200 pieces, sufficient amounts to meet your needs, you can store any small item inside the transparent cellophane bags. Easy to use: Simply remove the adhesive seal and cellophane bags self -adhesive can be sealed, simple and convenient, good adhesion, it can be used repeatedly, you can isolate dust and facilitate storage.