25kg kraft paper bags: including the three-layer paper bags, four-layer paper bags, multi-layer paper bag. PP poured a layer of film on paper, since the waterproof; using imported Russian yellow kraft paper or Canada, white kraft paper. Plus film bags can also be color offset printing. The form of sewing the bottom opening, environmental protection, health and other characteristics. Multilayer kraft paper bags: the perfect composite materials imported kraft paper and domestic kraft paper, kraft paper and PP new material woven of bags plus PE bags, complete compound food grade requirements. Can choose for your packaging. Style: sew the bottom opening type, paste the end of the opening ceremony. Export enterprises more choice of packaging. Mainly can be used for packing chemicals, food additives, feed additives, pigments, powdered milk, dry mortar and other building materials.