The Compact Task Chair is perfect for students with an easy to adjust height lifter. The black upholstered cushions are forgiving when it comes to dust and stains.This compact Task Chair really packs a punch when it comes to comfort and efficiency. The pneumatic seat height adjustment offers the ultimate in ergonomic design and comfort. Casters provide mobility, perfect for use in the home or professional office. These chairs are made with the highest level of materials, including plastics, metals and a fabric upholstered seat and back.