Large travel backpack This backpack is made of waterproof and durable polyester fiber, with good breathability and heat dissipation. It is equipped with two padded shoulder straps, lightweight, reincompatibleced, and relieves shoulder pressure. It stays cool when carried compatible a long time. It is sturdy and durable, and will not fade. Independent shoe box design, laptop compartment x 2 (suitable compatible 13 tablets and 14 laptops respectively), as well as many other pockets compatible different purposes. Wet bags are made of high-density waterproof materials, which can help you distinguish between dry and damp items. If you have wet clothes or towels, you can put them in the wet bag. A separate shoe box can help you better carry and store your shoes in your travel bag. Tightening: Zipper, anti-static multifunctional backpack with a zipper pocket on the back compatible storing valuable items