Wholesale Waterproof Cheapest Hiking Backpack 40L With USB 

• WATER RESISTANT & DURABLE -- Hiking backpack is made of High quality rip-stop nylon fabric, water resistant, tear resistant, anti-Scratch, wear resistant, breathable and moisture proof, smooth and comfortable.It can prevent the water and dust into the backpack, protect your valuables from heavy rain and keep everything dry. Durable two-way abrasion-resistant SBS metal zipper for secure closure.
• WET POCKET DESIGN -- One waterproof wet pocket is added to the main compartment, a zipper on the back of this backpack which led to the internal wet pocket, to better separate sweaty clothes, towels or other personal things after swimming or taking exercise.
• LARGE CAPACITY & MULTI COMPARTMENT -- Spacious backpack packed with roomy zipper main compartment, 1 zipper Secondary compartment, 2 front zipper pocket, 1 wet pocket, 3 internal pocket, and 2 mesh side pockets. 40-liter Ultra-light Foldable backpack provides enough space for outdoor travel, camping, hiking and fishing. It meet size requirements for most airlines, enough room for 3 or 4 days trips.