4 seats in 1: 4-in-1 seat gives you 10 years of use--it seamlessly transforms from rear-facing harness (5-40 lb), to forward-facing harness (22-65 lb), to highback booster (40-100 lb), to backless booster (40-110 lb). Simply Safe Adjust Harness System: Adjust the height of your harness and headrest to 10 positions in one motion to ensure that your child is always properly secured. 10-position Headrest: One-hand, 10-position adjustable headrest is easy to use and grows to properly fit your growing child. 6-position Recline: Helps keep your growing child comfy on your many journeys together. LATCH Equipped: For an easy installation. Integrated Harness Storage Compartment: Holds the harness straps that are not in use while in the belt positioning booster mode for a simple transition back to harness mode. Steel-reinforced Frame: Provides strength and durability for years of smart utility. Graco ProtectPlus Engineered: a combination of the most rigorous crash tests that helps protect your child in frontal, side, rear & rollover crashes; additional testing based on the New Car Assessment Program and for extreme car interior temperatures Features Removable Back, Has Adjustable Car Seat Base, Converts to Belt Positioning Assembled Product Weight 27.93 lbs