High-Back Leather Ergonomic Office Computer Desk Executive Chair Modern black and white design; soft leather and cushion offer all day comfort Tilts and rocks, just lean back and relax. (Tilt tension can be adjusted by a knob) Simple seat-height adjustment; 360-degree effortless swivel; free-rolling casters Easy to assemble (instructions included); 330-pound maximum weight capacity Seat size: 18.5"(W) x 19.3"(D); back height: 25.6"