Diono Radian 3R, 3-in-1 convertible car seat, rear-facing and forward-facing, 10 years 1 seat, suitable for 3 people

Rear-Facing Longer: This snug-fitting convertible car seat is designed and engineered to keep your child up to 50 lbs in weight and approximately 4 years old.
Back Booster: Keep your child safe and comfortable with high-back booster mode now up to 54.4 kg. The high back booster adds an extra layer of protection and comfort for any child who transitions into booster mode.
One car seat for 10 years: With 4 ways to travel safely from birth to booster, the Radian 3R adapts to your child's growth to provide a personalized fit from birth up to 120 lbs.
Reinforced Steel Core: Reinforced steel core, mechanically engineered, made from high density automotive grade plastic and steel to create the ultimate protection for your child.
The Original 3-Seat Rear: Built with our famous convertible fit radian design, to fit 3-rear car seats in most vehicles without compromising comfort for children or passengers. Feel safe with your kids safe in the back seat