FeaturesComfort Back RestProvides comfort and support for your spineHelps to improve postureAdjusts to fit almost any chairOffers full back support with a soft and breathable polyester fabricThis Kensington Conform Adjustable Back Rest features a springed design with ventilated supports for full back support and soft, breathable polyester fabric for comfort. The back support also features an adjustable strap attachment, which provides versatile use for a variety of chairs and users. This pack contains 1 black backrest.