Regency Momentum Task Chair, Black Unique loop arms that are scuff and impact resistant Contoured cushioning upholstered with durable mesh fabric available in Blue, Black, Burgundy and Grey Alternate set of arms and optional stool kit available Chair functions include: 360 degree swivel, pneumatic seat height, back height, back flex and seat depth adjustments Seat Height: 17-inches to 21-inches from floor, Seat Dimensions: 20-inches wide x 18-inches deep