Seat back and bottom stay connected making the car seat easy to carry Multi-layer head rest for comfort Full coverage back support even as your child grows The 2-in-1 functionality easily converts to backless booster for years of use EPS, energy absorbing foam for effective impact management Fully-adjustable headrest keeps your growing child secure Open-loop belt guides help you correctly position your vehicle?s seat belt Padded, height-adjustable armrests and hide-away cup holders keep kids smiling Machine-washable seat cushion Metal and plastic parts may be cleaned with mild soap and cool water Specifications: Dimensions: 15 D x 16.5 W x 26.5 H For children 4 to 10 years old Highback Mode Weight: 30-100 lb Height: 38 to 57 inches Backless Mode Weight: 40 to 100 lb Height: 43 to 57 inches