4-in-1 seat grows with your child, so you can enjoy 10 years of use, from 4 - 120 lbs. 6-position recline adjust to fit and keep your growing child comfortable. It's comfy for them and convenient for you. Simply Safe Adjust Harness System is safe & simple. One-hand, 10-position head rest to give your growing child a proper fit. In Right LATCH system for an easy, one-second LATCH attachment. Side-impact tested. Engineered & crash tested to meet or exceed US standard FMVSS 213. Washable seat cover is easy to remove without removing the harness. The steel - reinforced frame provides strength and durability. Integrated harness storage compartment holds unused harness straps while in the belt positioning booster mode. Features an easy-to-read level indicator for hassle-free installation. Plush inserts keep your child comfortable. EPS, energy absorbing foam for effective impact energy management. 2 integrated cup holders keeps your child's drinks close at hand.