... 3.Regular production 4.OEM production PP jumbo bag Fabric:U.V.Stabilized PP cloth This type is produced ... resulting in no side seams. Circular bags ususlly bulge more than u-panel bags. Waterproof: Polyethylene liner or lamination ... Spirit---Cohesive, Practical, High effective, DedicationConcept---Harmonious, Excellence and Mutual BenefitingService Mission---Fair price, quick response, reliable quality ...