Ozuko 9326 Men Outdoor Multifunctional Anti-theft Backpack Sports Waterproof Travel Shoulders Bag with External USB Charging Port, Ozuko 93261. Material: Waterproof fabric Oxford cloth 2. Capacity: can be loaded into 16 inch laptops, tablets, clothes and other items 3. Dimensions: 30 x 29 x 60 cm 4. Function: External USB charging port 5. Night safety, fluorescent design 6. The internal structure of the bag: zipper pocket, mobile phone bag, certificate bag, sandwich zipper bag, computer pocket 7. Features: security and anti theft, multi layer storage space, light carrying, USB charging,