Homegear PU Leather Executive Wheeled Computer Desk Chair / Office Chair Black PU Leather, Chrome armrests, Chrome base Height adjusted by pneumatic gas lift, Tilt-tension control, 360-degree swivel wheel Weight: 45.1lbs, Max weight: 440lbs Product Dimension (inches): 22 x 29.5 x 42.1-46.1 (L x W x H), Seating area (inches): 20.9 x 20.9, Seat height from ground (inches): 18.5-22.4 Back (inches): 19.7 x 29.5, Backrest height from seat (inches): 28