PP sand bag, Iron bag , copper bag , coal bag 1:TYPE: circular,U-panel,baffle 2: COLOR: white ... black, 3:S F:5;1 PP sand bag, Iron bag , copper bag , coal bag 1Quick Details Product NameFIBC ... glued SWL500kg or as you needSafe factor5:1(single use) or 6:1(multi-trip)Material 100% pure new ... 3 detailed pictures of the product 4 production proceduresStep 1:pp resin are extruded into PP fibers. Extruding ...