Ozuko 8983 Men Outdoor Waterproof Backpack Multi-Function Student Computer Travel Bag, Size: 20 inch(with Waist Bag)(Blue)

1. Material: Waterproof fabric / Oxford cloth
2. Capacity: can be loaded into 17.3-inch laptops, tablets, clothes and other items
3. Dimensions: S size 20 x 29 x 47cm, L size 21 x 33 x 51cm
4. Function: external USB charging port
5. Scientific load reduction system to care for the body: an ergonomic load reduction system that disperses the pressure on the shoulders, spine and lumbar spine
6. The internal structure of the bag: zipper pocket, mobile phone pocket, ID pocket, sandwich zipper pocket, computer pocket, camera pocket
7. Features: security and anti-theft, multi-layer storage space, light carrying, USB charging, water-repellent fabric