1.Compound bag can be classified as two-layer or three-layer compound. 2.Compound materials: BOPP/PE/CPP/PET/AL/NYLON and so on. 3.Compound packaging bag widely used in various types of food seasonings, medical equipment, medicines, daily necessities, chemical, electronics and other fields. 4.Multicolor printing: zipper can be configured, Can be made of vertical bag,vertical zipper bag, solid bag, vacuum bag etc . 5.The method of seal: 3 side closure, side closure, back closure, fold together. 6.Features: good moisture resistance,low/high temperature,high-barrier and appearance. 7.Print according to the client's requested design,specification and measurement.