15-inch business laptop backpack-with USB charging port waterproof university campus computer bag3091

15-inch business laptop backpack-with USB charging port waterproof university campus computer bag3091 15-inch business laptop backpack-with USB charging port waterproof university campus computer bag3091 1. scientific burden reduction belt-full S-shaped shoulder strap comfortable and breathable backboard is ergonomically designed to reduce the burden and ventilate. 2. Convenient USB interface and headphone jack design-USB rechargeable university backpack built-in USB charger outside built-in charging cable inside making it easier for you to charge your mobile phone while walking. Please note that this backpack does not include the charging treasure itself and the usb charging port only provides a convenient charging method. 3. With a separate laptop compartment it can accommodate 15.6-inch laptops (or 15-inch 14-inch and 13-inch laptops). With a spacious storage compartment you can easily store daily necessities and electronic accessories. The front compartment has multiple pockets pencil cases and key chains so that your items are organized and easy to find. 4. Sturdy and durable: made of waterproof and durable Oxford fabric with metal zipper. Ensure that it is safer and more durable in daily and weekend use. It can be used as a professional office work bag a slim USB charging backpack and a university high school student backpack and is suitable for boys girls teenagers and adults.