The original 3 Across All-In-One™ convertible car seat - now available in new, two-toned colorways with additional features. Up to 10 years of safe use and great value. This seat has been awarded Best Bet Booster by IIHS.

Stages: Rear-facing harness (5-50 lbs), forward-facing harness (22-65 lbs), high-back belt positioning booster (40-120 lbs)

Grows with Child: Expandable seat width, converts to high-back belt positioning booster

Includes: Anti-slip harness pads, easy removal machine washable cover, LATCH guides, shoulder belt guides

Safety Features: Automotive-grade steel core frame, aluminum-reinforced sides and energy-absorbing foam, 5-point harness, convenient fold and FAA Approved for aircraft use, tested over and above safety standards

The Original Three 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

Rear Facing for Longer: Designed and engineered to keep your child rear facing even longer up to 50 lbs, approximately 4 years old