We could source all kinds of plastics materials for food packaging, including bags and film, strcuture covering as below: single layer, PE, PP, PET, PVDC, PA,etc multi-layer: 3-layer co-extruded, casting  5-layer co-extruded, casting  7-layer co-extruded, casting  9-layer co-extruded, casting Metalized PET, Metalized PA, etc All kinds of food packaging bags, such as stand-up bag, resealable bag,etc