camping hiking backpack bag size:45L,55L,65L,75L superiority:waterproof,healthy packing:1pc/pvc bag camping hiking backpack bag welcome to inquiry.thank you very much. 1.material:600D polyester,or other material is available2.size:45L,55L,65L,75L.3.color:rich colors,by your choose.4.process:Printing, Embroidery are available.5.superiority: waterproof , healthy.6.package:1pc/1 pvc bag. backpack ...