Homegear Deluxe Wheeled Computer Desk Chair / Home Office Chair PU Leather, Padded armrests, Nylon base Height adjusted by pneumatic gas lift, Tilt-tension control 360-degree swivel wheel Weight: 37.4lbs, Max weight: 440lbs Product Dimension (inches): 29.5 x 26.8 x 40.2-44.1 (L x W x H), Seating area (inches): 19.7 x 20.9, Seat height from ground (inches): 19.7- 23.6, Back (inches): 20.5 x 27.2, Backrest height from seat (inches): 26