backpack bag 1.Material:500d pvc mesh 2.Size:10L 3.Use:outdoor sports 4.Welcome OEM,a brand new backpack bag Backpack bag This is a 40L Waterproof dry bag, it is an ideal product for your outdoor sports ,such as river rafting, boating, sailing, driving,and fishing etc.It can protect your items from dust, water, snow, rain, and all kinds of damage, just enjoy the outdoor life freely.High quality ...