The Casual Laptop Backpack With USB Charging is a versatile backpack made of nylon with a laptop compartment and a dedicated USB charging port. This gives you the freedom to charge your phone, tablet, or another USB-powered device without having to carry an extra cable. The Casual Laptop Backpack is also designed to carry your essentials with Air Cushion Belt. The Charge is made of water-resistant material and includes a water-resistant pocket for your phone.