The Radian 3 RXT All-In-One Convertible Car Seat will enhance your travel experience with its innovative features. It's bound to support endless years of safe travel with 4 optional positions in booster or car seat configuration, weight capacity of 120 lbs, adjustable harness loops, and a durable steel core. Its compact structure enables 3 seats to be aligned in a row with guaranteed comfort. It also includes a newborn protective insert and a high wedge to safely keep your baby in a comfortable flat back position.