Light-duty task chair features a padded seat & back for full comfort. Fabric upholstery is 100 percent polyester. Functions include pneumatic seat-height adjustment from 17" to 21-1/2", seat-depth adjustment & 360-degree swivel. Five-star base has 2" hooded dual-wheel casters. Seat size is 19-3/4" wide x 16-1/2" deep. Usable seat depth is 16-1/2". Back measures 15-1/4" wide x 12-1/4" high. Arms are sold separately. Chair is available in a sturdy, textured black frame only.