The Ultimate in Safety, Comfort, and Longevity for Your Growing Child. With the Cybex Solution G i-Fix high-back booster seat, your child will experience supreme comfort while industry-leading safety features keep them secure. Designed for children from approx. 4 to 12 years (100–150 cm / 15–50 kg), this UN R129/03 certified seat grows with your child while adapting to their every need. It is the first Cybex high-back booster featuring a one-hand recline function, making it effortless to find the perfect sleeping position during long family road trips. Key Features: One-Hand Seat Recline: A simple click allows you to tilt the seat into a relaxing sleeping position, preventing your child’s head from nodding forward while resting. Patented 3-Position Reclining Headrest: Keeps your child's head within the safety zone even when they fall asleep, preventing dangerous head-flop. Integrated L.S.P. System Plus: Advanced Linear Side-impact Protection reduces side-collision forces by up to 20% for maximum peace of mind. 12-Position Height Adjustment: The headrest and flexible side wings expand easily with one hand, adapting perfectly to your child's rapid growth. Secure ISOFIX Installation: Click-and-go ISOFIX connectors ensure a rigid, stable connection to the vehicle chassis, with visual indicators to confirm correct setup.