Flash Furniture Mid-Back Black Glove Vinyl Executive Swivel Chair with Arms Contemporary Office Chair. Dimensions- 22.75 W x 23.75 D x 36.5 - 40 H inches Mid-Back Design Black Vinyl Upholstery Two-Piece Cushion Tilt Lock Mechanism Tilt Tension Adjustment Knob Waterfall Seat promotes healthy blood flow Swivel Seat Pneumatic Seat Height Adjustment Nylon Arms