Graco Grows4Me 4 in 1 Car Seat, Infant to Toddler Car Seat with 4 Modes, West Point4 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