Features 1. Outer layer: enhance the mechanical strength of the bag body, heat resistance, printing performance and optical properties, etc. 2. Middle layer: the main function of the composite structure. Such as barrier, shading, incense, etc. 3. Inner layer: mainly used for sealing, followed by the pressure of the package material, drop, sealing performance, etc. Applicable Range For food packaging , Rice packaging and other packaging. Product Description Item name Packing Poly bags HS code Size According to your requirements Customized Material NY / LDPE Color Gravure printing 1-8 colors Application notes BOPP/CPP Packing of daily necessities BOPP/LDPE Packing of daily necessities PET/CPP Moisture, powder, dry cargo class BOPP/VMPET/CPP Aluminum bags, keep the fragrance BOPP/AL/LDPE Aluminum bags PET/AL/LDPE The most commonly used aluminum bags PA/LDPE Food and liquid packaging for cold storage PET/PA/LDPE Food and liquid packaging for cold storage