Sunshine Kids - Monterey Booster, Shadow: * For children up to 120 lbs and 38" to 63" tall * Converts to a backless booster seat * Deep, reinforced sides * Energy-absorbing EPS foam * AirTek foam for total comfort * Adjustable width * Adjustable height * Dual cup holders are extra-deep and angled to keep drinks upright * Packs flat for convenience * Product weight: 15.7 lbs