PP block bottom bags (Ad-star bags) have two layers: PP woven fabric and PP lamination. Instead of sewing valves, top and bottom were pasted with two slices of PP woven fabric. Printing maximum 4 colors.
Packing by bales or pallet
Advantages:
– Open top quikly and easily, without sharp.
– Anti-leakage ultra-fine products, especially powder products as cement, flour, calcium carbonate
– Automatically and flexibly close top.
– Easily loading pallets, warehouse storage and containers packing
– Cheap price