The Radian 3QXT model, is an elite standard convertible car seat. It's created with multiple layers of durable material, and a steel rebound bar, tested in the most rigid car crashes, for optimal safety. With 4 optional positions in booster or car seat configuration, weight capacity of 120 lbs, adjustable seat, head rest, and 5 point harness loops, it is bound to support endless years of safe travel. Its compact structure enables 3 seats to be aligned in a row, with guaranteed comfort. It also includes an extra newborn protective insert, cushioned harness pads, a soft liner, and a high wedge to keep your baby in a comfortable flat back position. To maintain cleanliness, the seat fabric easily removes for washing.