Fisher-Price Deluxe Booster Seat Portable High Chair Adjustable straps for a universal fit on most chairs. Wipes down, easy to clean 2 trays w/tray cover White tray is dishwasher safe Adjustable straps for chair and lap belt Adjustable base to change to 3 height positions (To adjust height-under base pull up on green and blue pieces) Back & tray can be removed to convert into a booster seat Folds compactly for travel. Good preloved condition! There is some light wear/markings on straps. Approximate dimensions- Diameter 9" Width 16" Height 13" Blue/white/green