Diono Radian 3QX Convertible Car Seat, Gray Slate

– 10-year lifespan: Can be used from 4 to 120 lb, eliminating the need to buy multiple car seats
– Upgraded with 20 improvements from the award-winning Radian 3RXT
– Advanced 3-in-1 rear facing protection with SafePlus engineering for enhanced safety
– Includes SafePlus newborn baby travel high wedge and 2-in-1 infant positioning liner for a custom fit from 4 lb
– SafePlus steel rear facing anti-rebound bar increases