Laptop backpack offers a convenient on-the-go access to portable power, with USB charging port outside. Great for charging your phone or other electronic devices while walking. (Please note that the power bank is not included in this USB laptop backpack). High quality Polyester Fabric Material & Practical luggage Strap design & Comfortable Widen Padded Shoulder Strap design, this mens backpack can be used as a laptop backpack, high school student backpack, travel backpack, book bag, overnight trip backpack, business laptop,backpack for men and women, teacher backpack. This practical extra large laptop backpack is ready for anywhere.