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 Backpack16"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) LARGER CAPACITY- Can hold 15.6" computer, tablet, glasses, wallet, keys, earphone, power bank, cell phone, document and clothes. It will be a perfect school bag for Men, Women, Teens, Boys and Girls, Elementary School, Middle School, High School and College Student. Also as a stylish Nappy Backpack, Baby Diaper Backpack for dad or mum WATERPROOF STURDY LIGHTWEIGHT - Made of water resistant and durable nylon fabric. Padded breathable and adjustable straps wont dig into your shoulders, help you release the stress of shoulder