Avenue* AEA Series Chair, Backrest: 15.5 in W X 14.5 in High, Seat: Saddle-Shaped Seat With Waterfall Front, 21 in W X 19 in D X 3 in T, Base: High-Profile, Euro-Style Cast Aluminum Base With 25.6 in Diameter, Seat Height: 19 in - 26 in, Esd Black Fabric Casters