Customize the Comfort Series Swivel Task Stool from Mayline for the perfect fit. The seat swivels and features a pneumatic height adjustment. Control the back height and seat depth independently. The inflatable lumbar support helps relieve stress and fatigue on your lower back while reducing the risk of muscle strain. The five-point star base and dual-hooded casters hold up to demanding use while the durable acrylic/polyester blend upholstery comes in a range of colors to suit your décor. Add the optional, height-adjustable arms for increased comfort.