This black upholstery dust cover by Hanes is made of 100% polypropylene fibers. It is 36” in width, features a denier of 1.9 and weighs a mere 2 oz per square yard. Upholstery dust covers are used as a final layer of protection in sofas, chairs, mattresses, benches, and ottomans. It is most often tacked or stapled to the frame of the furniture piece as the final step in a quality upholstery job. Dust covers can also be used on speakers and other electronic equipment and on storage pieces such as armoires or media centers that house these items. It will protect them from the harmful effects of dust and other matter and also “hide” the messy look that cords and equipment can sometimes create.