The first high-back booster seat designed to fit a growing child up to 100 lbs. Deep, reinforce side wings provide the safety of total side-impact protection. Turn the dial on the back to adjust the seat up to 3" wider to fit even the biggest child. 12- Position headrest adjusts with one had for an easy, precise fit. Integrated LATCH/ISOFIX connectors with front adjuster allows for a safe and secure installation in seconds. Seat bottom features tapered sides, EPE foam bottom insert and extra-long length for comfort and support, and can also be used as a backless booster.For children 30 lbs. to 100 lbs. 26"H x 22.5"W x 15"D. Gray, Pink, Grey or Red.