ALL-IN-ONE TRAVEL SOLUTION - Bonus pack includes Ultra Mat R car seat protector, rear-facing Easy View mirror, Sun Stop, Baby on the Move Sign, extra cup holder and Stow n Go R car seat organizer 25 YEARS ONE CAR SEAT - The Radian 3RXT All-in-One car seat is designed and engineered to keep your child safe from birth to booster (5 - 120 lb) 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 STEEL REINFORCED FRAME - Mechanically engineered, reinforced steel core, made from automotive grade high strength steel to shield and protect REAR-FACING FOR LONGER - With extended rear-facing from birth up to 50 lb to keep your child in the safest travel position for as long as possible