This SwissDigital Vector business travel backpack is made of durable waterproof nylon and polyester. It includes a separate padded laptop compartment that holds laptops up to 15.6". It comes with triple spacious compartments and more than 10 storage compartments to keep your items in their place. The RFID pocket protects your personal information from being stolen by an RFID scanner. It can be served as an everyday backpack, spacious college bookbag or high school student backpack, professional backpack for laptop, or for daily use anywhere you go. Adjustable S-shape wide shoulder straps and multi-panel airflow back design provide your shoulder and back with breathable, soft, and comfortable carrying feel. The charging port offers quick access to charge your phone and other electronic devices conveniently and freely. No specific battery pack required.