3-in-1 Convertible: Adapts from rear-facing harness (5-40lb) to forward-facing harness (22-65lb) to high back booster (40-100lb) Space Saver: Slim design with rotating cup holders saves valuable back seat space Safety First: Latest Graco ProtectPlus Engineered for maximum accident security Simple Adjustments: No-Rethread Simply Safe Adjust Harness System for easy adapting Grows with Child: 10 position headrest for safer fit as your child grows Easy Installation: Features InRight LATCH system for a one-second attachment Durable: 10-year lifespan from date of manufacture Harness storage compartment keeps the harness safely stored while in belt-positioning booster mode