Regency Charisma Task Chair, Black Available in a stylish and durable black fabric upholstery Curved back provides excellent lumbar support Contoured armrests Chair functions include: 360 degree swivel, pneumatic seat height, 2:1 Synchro Tilt, tilt tension, infinite tilt lock and arm height adjustments Seat Height: 20-inches to 24-inches from floor, Seat Dimensions: 21-inches wide x 19-inches deep