Plastic Compound Bag, 2 layers, 3 layers, 5 layers, etc. Material is PE, OPP, NY, BOPP, AL, Foil, RCPP, etc.. side seal, top zipper, stand up bag, handle bag, spout pouch bag. It can be used for frozen food, laundry detergent, chemical industry, food, pet food, fertilizer, etc.. Power, granule, liquid are available.