The Booster™ Basic R129 car seat is designed for children between 135-150 cm tall (approximately 7 to 12 years old) and helps older kids travel safely in the car. The armrests provide comfort for your child's arms, while two hidden cup holders securely store drinks. Easy-to-use belt guide aids help you properly secure the booster seat with your vehicle's seatbelt. Thanks to its backless, portable design, the booster seat is easy to transport and switch between different vehicles. The Booster™ Basic R129 has undergone rigorous testing to meet or exceed all applicable R129 safety regulations.