Diono Radian® 3QX SafePlus

3 stages of newborn safety and 3-across advanced all-in-one convertible car seat with 15 SafePlus™ features. Granted by the Insurance Institute for Highway Safety (IIHS), the BEST BET award is bestowed to car seats and boosters that provide good belt fit for typical ages approximately from 4 to 8 years old in almost any car, minivan, or SUV. The IIHS is an independent, scientific, and educational organization dedicated to reducing injuries and property damage from motor vehicle crashes through the education of consumers, policymakers, and safety professionals. Features 10 Years 1 Car Seat® - from Birth to Booster (4 - 120 lb) it's all you will need. Grows with your child, ultimate protection on every road trip. 4 modes in 1 seat! SafePlus™ Rear-Facing Engineering up to 50 lb. Includes 3 stages of newborn protection and our steel anti-rebound bar that reduces rebound rotation by up to 50% while increasing space for your growing child. Fits 3-Across - our famous slim-fit design w