... PP woven bag: 1) 100% new pp 2) Professional manufacturer 3) Durable1)pp valve bag woven bag2)Very good quality and ... or not as customers' request, Liner( HDPE,LDPE)SewingPlain/chain/chain lock with optional soft-proofLifting loop2 or 4 belts,cross corner loop ... stabilization,reinforcement,dust-proof,moisture-proofDelivery time10-20 workdays pp ton bag big bag with lined bag 800kg 1 ...