The Graco Highback Booster helps keep your growing child secure, comfortable and content. Seat your growing child comfortably and happily in this highback booster, with padded, height-adjustable head support and hide-away cup holders. This highback booster also transforms to a backless booster. Graco Highback TurboBooster Colorz Car Seat, Xtreme: Highback booster for children 3 to 10 years old from 30 to 100 lbs and up to 57″ tall Backless booster for children 4 to 10 years old from 40 to 100 lbs and up to 57″ tall Padded, height-adjustable head support grows with your child Deluxe seat cushion removes for machine washing Hide-away cup holder and storage compartment Assembled weight: 8.27 lbs 1 loop belt guide makes correctly positioning your vehicle’s seat belt a snap Rigorously crash tested to meet or exceed U.S. safety standards