... water proof, Safe, ect Name: PP woven ton bag(PY7-4-1)PP Jumbo bag, also named PP Big bag, Sack bag, FIBC bag ... bottom7. Loops: Single Loop8. Fabric weight: 170GSM9. S. F: 5: 1 UV treated10. PE Liner or lamination11. Printing: AvailableUsage:1 ... bags inside, with the advantages of light weight, moistureproof, dustproof, no leakage, resistance to radiation, Acid corrosion, strong security, excellent ...