The Graco Energi i-Size R129 Highback Booster Seat in Meteor offers advanced safety and longevity. It meets i-Size and R129 standards with enhanced side impact protection. Installation is made easy with one-click ISOFIX connectors and a top tether. The seat converts from a harness booster (75-105cm) to a highback booster (100-150cm), accommodating children from 15 months to approximately 12 years. Features include a no-rethread harness, 15-position headrest, built-in ventilation, plush memory foam seat, padded armrests, and machine-washable covers. Integrated colour-coded indicators and open-loop belt guides ensure correct installation and usage.