3-in-1 multi-mode Car Seat for longer use Extended 5-point harness use from 20 - 65 lbs (fits 97% of 5-year olds in harness) Converts into High-back belt positioning booster for use from 30 - 100 lbs Converts into Backless booster for use from 40 - 100 lbs Steel Reinforced frame for durability 3-position recline for proper installation and comfort Overmolded soft-touch armrests with easy-access side storage One-hand height adjustable head support grows with the child Open loop belt guides Premium softgoods package with full body pillow for added comfort Includes EPS, Energy Absorbing Foam Engineered & Crash tested to meet or exceed: -U.S. Compliance Standard FMVSS 213 -New Car Assessment Protocol (NCAP) - peak crash force approximately 2x Carseat standard