Growing with your child, from approximately 3 to 12 years old, the Solution T i-Fix High Back Booster Seat features a patented reclining headrest and improved air ventilation. Features Patented reclining headrest - Three positions are available for the right comfort whether your child is awake or asleep. Grows in height and width, up to approximately 12 years old - A car seat that offers 12 height adjustments. Lift the head and shoulder pads with one hand, and the seat automatically widens making adjustment quick and easy. All-Round Air Ventilation- All-round air ventilation keeps the seat temperature comfortable in all seasons. The Plus fabric option also features mesh inserts for even better air circulation and comfort. Advanced Side Impact Protection - Automatically activates before installation and increases safety in the event of a side impact. Easy installation and added stability - ISOFIX allows you to easily click the Solution T i-Fix into your vehicle, with visual indicators showing you when the car seat is installed correctly. It also provides a firm connection to your vehicle's chassis for extra stability in the event of an accident. The reclining backrest adjusts perfectly to any seat/seat in the vehicle, for a more comfortable journey. Use Approximately from 3 to 12 years old 100 cm – 150 cm From approximately 15 kg to 50 kg Technical information Measurements: 39 x 50.5 x 62.5 - 80 cm Weight: 7.2 kg In order to guarantee the safety of the chairs and to protect our customers, car seat exchanges will not be carried out.