600D Executive polyester and RPET combination anti-theft multi-functional backpack with built in USB connection for use with a power bank (not supplied), padded straps and back for comfort and a variety of compartments. Additional security features include zipped hidden pocket in the back perfect for cards and cash, tablet sized front pocket and smartphone sized side pocket. The zipped main compartment has sleeves for a laptop or tablet. Great for modern professionals, students and the more environmentally conscious user.