Bullet Points:
1、Premium Materials: The Waterproof dry bag is made of heavy gauge PVC, which well protects your gear and tools.
2、Waterproof Bag: The backpack features the built-in detachable waterproof bag, so its waterproof performance is more excellent.
3、Multiple Purposes: A large zipper on the outside for quick grab and the clear side pocket so you know what is in it, and with the backpack, keys, phone and other required item can be easily stored.
4、Large Capacity: The bag is large capacity, and it features 4 ring or band, which can be tied to the bicycle racks, or on the aluminum alloy box of motorcycle and so on.
5、Wide Applications: Great for all outdoor activities, including motorcycle riders, boating, rafting, fishing, camping and hiking.

Specifications:
Name: Waterproof Backpack
Material: PVC waterproof material
Zipper: nylon rubber teeth + zinc alloy slider
Capacity: 10L, 20L, 30L
Size: about 20*12*30cm/7.87*4.72*11.81in, 25*20*38cm/9.84*7.87*14.96in, 32*25*43cm/12.60*9.84*16.93in
Weight: about 0.5KG, 0.85KG, 1.2KG
Accessories: double shoulder strap*4

Packing List:
1 x Motorcycle Tail Backpack