The Joie Every Stage R129 Car Seat in Shale offers ultimate versatility and safety for children from birth to 12 years (40 to 145 cm), meeting the highest R129 and i-Size safety standards. This adaptable 4-in-1 seat grows with your child, transitioning seamlessly from rear-facing for infants to a belted booster for older children. It features a Tri-Protectâ„¢ headrest with Intelli-Fitâ„¢ memory foam and Guard Surround Safetyâ„¢ side wings for enhanced side-impact protection. The reinforced steel inner seat shell adds durability, while the AutoAdjustâ„¢ sides and Grow Togetherâ„¢ system ensure effortless adjustments as your child grows. Comfort is prioritized with deluxe cushioning, 6 recline options, and built-in ventilation. The no-rethread harness adjusts automatically with the headrest, and Harness Hideaway compartments store the harness when converting to booster mode. Installation is straightforward using the vehicle's 3-point seatbelt. This package includes the car seat, removable infant body and head support inserts, and a 5-point harness with padded covers. It also features side mesh storage pockets for convenience.