The original expandable booster, Monterey has an easy one-hand height and width adjustment to provide a 69% increase in occupancy space. It includes Diono’s superior side-impact protection with aluminum reinforced head support and energy absorbing EPS foam, to accommodate growth spurts without sacrificing protection. Equipped with simple connectors and front adjusters, Monterey® 2XT can securely connect to your vehicle in seconds, enhancing safety and stability, as well as allowing you to switch between vehicles with ease. Lovingly engineered for every journey with 2x fold-away cup holders to keep drinks or snacks upright and within reach.