Introducing the luxury 3 across all-in-one car seat for first-class travel from birth to booster suitable from 4-120 lbs / 1.8. - 54 kg. Diono Radian 3QXT+ FirstClass SafePlus features SafePlus engineering exclusive premium fashion and SafePlus 2-in-1 anti-rebound panel and adjustable calf support for the very best in safety comfort and style. 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. The Radian 3QXT+ FirstClass SafePlus features SafePlus Engineering a unique combination of engineering features and testing to the highest safety standards to ensure the safest seat possible. The Diono Radian 3QXT+ FirstClass SafePlus includes a SafePlus 2-in-1 Anti-rebound panel to increase stability when rear-facing and reduce rebound rotation by up to 50%. The Radian 3QXT+ FirstClass SafePlus is Engineered with 8 layers of SafePlus Side Impact Protection that includes the SafePlus side impact management pod constructed to channel energy from around the back of the car seat away from the child in the event of a side impact. The SafePlus easy adjust 12 position headrest adjustable calf support and comfort liner provide additional comfort as your child transitions to forward facing. Designed with mesh panels and premium fabrics the 3QXT+ FirstClass SafePlus cover is hard-wearing and easily removable. So when the next journey gets messy easily remove and machine wash.