The Diono Radian 3QXT Convertible Car Seat is the ultimate 3-across, all-in-one car seat. It transitions from infant car seat to booster seat and features advanced 4-in-1 newborn protection and all new Safe engineering to provide the next generation in car seat safety.

You'll love that is can grow with your child for ten years--from 4 to 120 lbs--and your child will love how comfortable it is, with tons of features to ensure maximum comfort, including a contoured,12-position headrest and Comfort memory foam cushioning.