STYLISH ANTI-THEFT DESIGN – Humanized design, we applied a hidden zipper to ensure your belongings safe EXTERNAL USB CHARGING PORT – With the usb charging port, you can charge your electronics without holding your power bank MULTI-COMPARTMENT – Without rummaging your bag, there are many compartments inside the backpack to place your phone,computer, pad, books etc. RAIN PROOF AND NIGHT SAFETY BACKPACK – The front side used a special material to keep your bag from rain and dust (except heavy rain)