Upgraded with eighteen new improvements for the original award-winning Radian 3RXT car seat. This car seat works both forward- and back-facing so it grows with your child, and it's slim enough to fit three across in most back seats.Why parents will love it: The style folds nearly flat for travel and is FAA-certified so you can take it on trips with you. As your family grows, the slim-fit design will fit three across in most vehicles without compromising child safety or passenger comfort.Why kids will love it: A low-sitting profile makes it easy for kids to get in themselves when they're ready, and the sides and seat bottom adjust for a perfectly comfortable fit.Child weight/height: 5–50 lb. rear-facing with included infant insert; up to 65 lb. forward-facing with harness; up to 120 lb. forward-facing as booster.Car seat weight/dimensions: 30.6 lb.; 28.5" x 17" x 16" unfolded; 28.5" x 17" x 11 1/2" folded.Safety features: 12-position adjustable headrest; Safe+ Side impact protection and Safe+ testing; aluminum-reinforced sides with energy-absorbing EPS foam for side-impact protection; full steel frame. Extended rear-facing from birth up to 50 lbs. to keep your child in the safest travel position for as long as possible.Harness: Adjustable five-point safety harness and three buckle positions.Car installation: SuperLATCH system for easy installation. Removable fabric is machine washable Steel/plastic/aluminum/textile Imported