Description The Diono Radian 3R is the original slim-fit 3 across All-in-One convertible car seat, designed to protect from baby to booster seat (5 - 120 lb / 2.2 - 54 kg). Lovingly engineered with the famous Diono steel reinforced frame and now rear facing for even longer, expect 10 years of safety from just one car seat. Designed and engineered with complete rear facing protection, so you can keep them in a safe rear facing convertible car seat for longer up to 50 pounds. Built with a mechanically engineered, reinforced steel frame, made from automotive grade high strength steel, the radian is always ready to shield and protect. And when your family grows, the slim-fit design will fit 3 across in most vehicles without compromising child safety or passenger comfort. Our SuperLATCH system (UAS Compatible) makes installation easy and super secure. As travel car seat experts, Diono have naturally built in super portable and convenient features to the Radian 3R with original fold for easy transport and storage and easy remove machine washable covers. The radian is also aircraft certified (FAA approved), so you can take safety with you wherever you go. Features & details REAR-FACING FOR LONGER - Designed and engineered to keep your child rear facing even longer up to 50 lb / 22.7 kg, approx. 4 years old 10 YEARS ONE CAR SEAT - With 4 ways to travel from birth to booster, the Radian 3R adapts as your child grows to offer a custom fit from birth up to 120 lb / 54 kg STEEL CORE - Mechanically engineered, reinforced steel core, made from automotive grade high strength steel to shield and protect THE ORIGINAL RADIAN 3 ACROSS - Built with our famous Radian slim fit convertible design for a 3-across option only with Diono Radian combinations without compromising child or passenger comfort. Feel safe having your children secure in the backseat Product information Item model number ‎50624 Is Discontinued By Manufacturer ‎No Material Type ‎Alloy Steel, Polypropylene, Plastic, Polystyrene material_composition ‎90% Polyester, 10% Spandex Care instructions ‎Covers: Machine wash cold, line dry. Shell and Components: Spot clean Additional product features ‎Fits 3 Across Number Of Items ‎1 Style ‎Radian 3R Fits 3 Across Batteries required ‎No Item Weight ‎25.9 pounds Country/Region of origin ‎China Product Dimensions ‎16"D x 17"W x 28.5"H Item Weight ‎25.9 Pounds Maximum weight recommendation ‎120 Pounds