TRAVEL BACKPACK MATERIALS- Stylish backpack made of eco-friendly waterproof canvas, soft and fashionable, classic and minimalist design really stands out from the crowd!Large Capacity Backpack：16"x 11"x 8"(42*32*20 CM) FUNCTIONAL BACKPACK - Inner: main pocket can fit up to 15.6’’. 2 small open pockets. Outer: one front side pocket and 2 side pockets CONVENIENT USB PORT DESIGN- Built-in detachable USB cable design, great convenience for charging your electronic devices via connecting your own power bank. (POWER BANK IS NOT INCLUDED) Large Backpack Generous enough to accommodate the magazine, 15" computer, tablet, glasses, wallet, keys, earphone, power bank, cell phone, document and clothes.Backpack/Duffle Bag/Shoulder Bag/Travel Bag/Laptop Backpack, It will be a perfect bag for Men, Women, perfect for back to and college gift WATERPROOF STURDY LIGHTWEIGHT - Made of water resistant and durable nylon fabric. Padded breathable and adjustable straps won’t dig into your shoulders, help you release the stress of shoulder