We know you have a Flair for good taste. 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.