Safety 1st Boost-and-Go 3-in-1 Harness Booster Car Seat

3-in-1 booster for extended use: forward-facing harness booster (30–65 lbs., 34.4"–49"), high-back belt-positioning booster and backless booster (40–100 lbs., 43.4"–57") 2 removable dishwasher-safe cup holders Easily converts from harness mode to belt-positioning and backless modes with one simple motion Narrow seat design fits 3 across the back seat in most vehicles 1-hand-adjustable, 7-position headrest grows with your child Lightweight and portable Machine-washable and dryer-safe removable seat pad