Kendal High Back Executive PU Leather Ergonomic Office Desk Computer Chair SI-OC01 Ergonomic office chair with lumbar support and pneumatic seat height adjustment Upholstered in black LeatherPlus; waterfall seat design eliminates leg fatigue Upright locking position and adjustable tilt tension control Weight capacity is 250 pounds; easy assembly upon arrival; no tools required 360 degree swivel for the chair.