new style sailor bag,waterproof sailor bag,round backpack 1.material: 600D polyester + PVC 2.size: 50cm H x 28cm L x 19cm W new style sailor bag,waterproof sailor bag,round backpack 1.material: 600D polyester + PVC 2.size: 50cm H x 28cm L x 19cm W3.pipping around the bottom4.adjustable padded shouder straps5.polyester drawstring closure6.all material can fulfill EU standard7.OEM and ODM are ...