Amazon.com: YOREPEK Travel Backpack, Extra Large 50L Laptop 。?Large Capacity and Organized: The large backpack owns 3 spacious compartments, one separate laptop compartment that fits 17 inches laptops, and one main compartment roomy for daily necessities, such as clothes, notebooks, etc. The front compartment has many small pockets, as well as pen pockets and a keychain design to keep your things organized. The large backpack for men has more than 10 pockets, including 2 side mesh pockets for water bottles and umbrellas. Size: 17.5 x 13 x 8.5 inches ?TSA Approve and Multipurpose: At checkpoints, the large travel backpack can be freely unfolded 90 to 180 degrees, allowing you to quickly pass through airport security and keep things tidy, exclusively designed for airplane travel. A luggage strap allows the traveling backpack to fit on the suitcase, great for international plane travel and day trips ?Practical and Convenient: External USB port with built in charging cable conveniently charges your phone and other electronic devices (pls provide your own portable charger). A hole in the travel laptop backpack is used for the outside of the earphone, which can be used conveniently. Besides, the large laptop backpack has a sturdy handle with a steel cable on top for easy portability. Side compression straps keep the exclusive pack in any size you need ?Reliable Material: Made of water resistant and sturdy polyester fabric, and high density nylon lining for better tear resistance, the heavy duty backpack with metal zippers ensures