Travel Backpack Waterproof Hiking Rucksack for Men Women O778

Large Capacity & Expandable: 40L travel backpack expandable, can hold the necessary items for 3~7 days of travel,the capacity before expansion is about 32L, and it is 40+L after expansion. It is an ideal travel backpack for men and women. With USB Charging Port: USB interface design, great convenience for charging your electronic devices via connecting your own power bank, so this USB backpack offers you a more convenient way to charge your phone while traveling. Multi-pocket Design: The Travel backpack with many compartments,The main pocket can hold your travel goods,fit 5-8pcs clothes. The front compartment with various pockets can be used to store notebooks, pens, earphones, and other small items, for quick pick out. The Travel Bag has a built-in laptop compartment that fits most 17-inch laptops and is situated close to your back. Reliable Quality: This backpack is made of waterproof durable polyester, good air permeability and heat dissipation,the front Wet bag of the flight approved waterproof travel backpack with high-density waterproof material can help you to separate dry items from wet items. like wet clothes or towels. With Trolley Sleeve & Adjustable Breathable Shoulder Straps: A trolley sleeve on the back allows the travel backpack to attaches to the handle of a carry-on luggage for hands-free transport, easier carrying. A removable sternum strap that connected its two shoulder straps, as well as an air-mesh ventilated back panel that helped minimize back sweat.