Furniture of America Madrid Upholstered Pneumatic Adjustable Office Chair, Black Arm office chair in black finish; Pub-style padding on back adds extra comfort Seat and back wrapped in black leatherette upholstery is generously padded for comfort Five-prong base with casters for stability and mobility Pneumatic lift for seat height adjustment; Swivel/tilt mechanism for comfort; can be locked out Measures 25 by 44 by 28 Inch; Maximum Height 46.25; 30-day hassle-free limited replacement parts warranty