Suitable from 76cm to 150cm (approx. 15 Months to 12 Years), the Joie Elevate R129 Car Booster Seat in Shale is grows with little ones from a harness toddler seat to a belt-fitted car booster seat. With a ventilated design to keep cool on the hottest days, the Elevate is a streamlined guardian with full side impact protection, supporting the head, body and hips throughout each stage of development.Comfort and Convenience on Every Trip The Elevate seat easily installs using your vehicles seat belt, while the 10-position headrest and 5-point harness adjust simultaneously, with no need to rethread as kids grow. With the integrated cupholder, little ones always travel in comfort.At 105cm (max. weight 21.5kg, approx. 3.5 Years), remove the harness to create space for growing kids. With machine-washable covers and colour indicators for easy installation, the Elevate seat grows to go the distance with you.