... and all kinds of size as your request. Specification: 2012 New Virgin Polypropylene Valve Woven BagWeight Capacity: 25KG / Bag Raw material100%new pp ... , hemmed or notBottomsingle folded or double folded, single stitch or double stitchYarnYarn: from 600 to 1500D ... chloride, carbon black, building material, cellulose etc. Chemical products and cement, forage, fertilizer, foodstuff, salt, sugar, starch, ...