... and all kinds of size as your request. Specification: 2012 New Virgin Polypropylene Valve Woven BagWeight Capacity: 25KG / Bag ... Raw material100%new pp or as requestedWidth400, 500, 550, 600 etc. ... such as calcium chloride, magnesium chloride, carbon black, building material, cellulose etc. Chemical products and cement, forage, fertilizer, foodstuff ...