The Rio functions as a roller bag, backpack, and even as a car seat for your pet! Very functional and ideal for stress free travel. Roller bag functions include a retractable two-stop handle and detachable roller wheels. Also comes with comfortable backpack straps that detach. The Rio allows for maximum ventilation and exposure, interior bedding for extra cushioning and comfort, an interior safety leash and a front compartment with dual pockets for your own accessories.