... water proof, Safe, ect Name: PP woven ton bag(PY7-4-1)PP Jumbo bag, also named PP Big bag, Sack bag, FIBC bag ... volume, light weight, easy handling, mechanical handling characteristics of adaptation etc, is one of common packaging materials.3. Be coated by the ... coating or equipped with PE bags inside, with the advantages of light weight, moistureproof, dustproof, no leakage, resistance to radiation, ...