bulk bag:Jumbo bag,big bag,container bag,FIBC bulk bag We are an ISO9001-2000 Certification. PP bulk bag,also named PP big bag,PP Jumbo bag,Sack bag,FIBC bag,The specification as below, Materials: Polypropylene (PP)Model: Tubular shapeSize:DXH 90x100cm Safety work loading:500-3000kgs Top full open with duffle Flat bottom Loops: 4 cross corner loops Fabric weight:150g-220g S.F:5:1 UV treated PE ...