This computer Backpack design with a password lock (Note: Please do not set the password before you read the instruction) and double metal zippers, protects wallet and other items inside from thief and offers a private space. With built in USB charger outside and built in charging cable inside, this usb backpack offers you a more convenient way to charge your phone while walking. Headphone Jack: you can listen to your favorite music on the go hands-free. This mens backpack is made of water resistant and durable Oxford cloth with metal zippers. Comfortable wide breathable mesh shoulder straps with plentiful sponge pad help relieve the stress from your shoulder. Both sides of the shoulder strap with pocket design, can hang sunglasses and other pendants. This Book bags for men Also Waterproof computer backpack for women. And it is an ideal present for men women or back to school graduation present. color: gray size:48x18x28cm The number of shipments: 1 Note: Other items are not included here, other pictures only show the effect Due to the difference between different monitors, the picture may not reflect the actual color of the item. Because of manual measurement. Please allow deviation. Thanks!