No cracks. No crevices. Therefore, no abyss full of crumbs. This one-piece seat is the sleekest, smoothest thing going and it makes cleanup unbelievably easy. Its dishwasher-safe tray cover actually fits in a dishwasher. And the continuous height positioning with pneumatic lift is just a fancy way of saying you can pick the exact height you want to fit your table. Two tray covers included. Removable waterproof pad. Five-point harness and safety post. Single-step braking system. Six urethane casters to protect floors. Glides smoothly in all directions. Effortless continuous height positioning. Fits easily under tables with pedestal base. Child’s recommended weight limit: 50 lbs. Maximum age: 4 years. Seat height range: 21” – 26.25”. Tray height range: 26.25” – 31.5.” Base diameter: 23.5.” Chair weight: 28 lbs.