Feature:1. Multi Layered Design, Super Large Capacity: The functional layered bag and large capacity main bag design can accommodate a large number of accessories, office supplies, clothes, laptops, and the side pockets can conveniently store travel equipment umbrellas or water bottles.2. Durable Material: The laptop backpack is made of premium nylon, shockproof and wear resistant, with better tear resistance and waterproof performance. It provides safer protection for your items in rainy days.3. USB Charging Port : The USB charging backpack provides a convenient portable power source, simply connecting the phone charger to the backpack's internal data cable, making it perfect for charging electronic devices while walking.4. Comfortable Shoulder Straps: S shaped widened shoulder straps provide pressure relief and a comfortable fit to the back, relieving stress and making carrying easier. The shoulder straps are equipped with adjustable buckles, and the length of the shoulder straps can be adjusted according to height.5. Back Ergonomics: This backpack features an ergonomic design that balances stress, protects the spine, and reduces shoulder pressure. A backpack is a must have for travel or business trips.Specification:Item Type:Extra Large Laptop Backpack.Material: NylonPackage List:1 x Extra Large Laptop Backpack