SunShine Kids Monterey Carseat Booster - The first high-back booster seat designed to truly fit a growing child up to 120 lbs. Deep, reinforced sides lined with energy-absorbing EPS foam to provide the safety of total side-impact protection from hips to shoulders to head. A dial on the back adjusts the width of the expandable seatback to fit a child’s shoulders from 14” to 20” wide. 12-position headrest adjusts up to 7" in height with one hand for an easy, precise fit. As a fixed-position booster, integrated LATCH connectors and a one-pull front adjuster allow for a safe and secure installation in seconds. The seat bottom has extra length for leg support and features thick padding everywhere, tapered sides and an EPE foam cushion insert for total comfort. Dual cup holders are extra-deep and angled to keep drinks upright. Monterey packs flat for convenience and can also be used as a backless booster.Up to 120 lbs Up to 63" in height Expandable seat back width 12 position headrest LATCH connectors EPS safety foam for side-impact protection 2 retractable cup holders Can be used as a backless booster Product Weight: 16.4 lbs Product Height: 26 in Product Width: 22.5 in Product Depth: 15.5 in