Boss Office Products B8701 High Back No Tools Required Top Grain Leather Chair in Black NTR- No tools required for assembly; Beautifully upholstered with top grain Italian Leather Waterfall seat design eliminates leg fatigue; Ergonomic back design with lumbar support Upright locking position; Adjustable tilt tension Pneumatic gas lift seat height adjustment Ergonomic executive chair upholstered with top grain Italian leather Lumbar support; upright locking position; pneumatic gas-lift seat height adjustment Adjustable tilt tension control; waterfall seat design eliminates leg fatigue Weight capacity is 250 pounds; easy assembly upon arrival with no tools required Measures 27 inches wide by 28 inches deep by 45 48-1/2 inches high