Introducing our hot selling square bottom building materials valve pocket PP woven bag packing bag! As a factory specializing in woven bag production, we ensure high quality and durability with every bag. Our square bottom design makes for easy stacking, while the valve pocket allows for convenient filling and dispensing of contents. Made from 100% polypropylene material, our bags provide strong and sturdy packaging options for various building materials such as sand, cement and gravel. Trust in our expertise and choose our reliable PP woven bags for all your packing needs.