Bridgeport* Btr Chair Series 5-Legged Reinforced Composite Base. Backrest: 14.5 in Wide X 9.5 in High, Seat: Concave, 18.5 in Wide X 16.5 in Deep X 3 in Thick, Seat Height Adjacent 19-26 in, Black Fabric, Medium Bench Height, 26 in Dia Reinforced Composite Base