Weight capacity Front-facing, 5-point harness booster: 10kg to 18kg (22lb. to 40lb.) High-back booster used with vehicle seatbelt: 10kg to 54.5kg (22lb. to 120lb.) Safe and comfortable Five-point harness keeps your child securely in place while you're on the go Innovative headrest design ensures a proper fit for safety and comfort Aircraft certified to make air travel safe and convenient Other features Convertible design transforms from a 5-point harness booster to a high-back booster for years of use Integrated cup holder keeps beverages close at hand Removable, machine-washable cover makes it easy to keep the seat clean and fresh