The Perfect Dust Cover, is the perfect product to protect your printer against dust, spills, scratches, water and other contaminants. The Perfect Dust Cover, do not discolor, it is made of a very high quality waterproof nylon material The Perfect Dust Cover, is Double Stitched, Anti Static, STRONG and Heavy Duty Cover The Perfect Dust Covers LLC, is a company that specializes in making very high quality covers for any type of printers, air conditioning unit systems, televisions, gas grills and much more. We guarantee our products 100% Cover Compatible with HP OfficeJet Pro 6978 All-in-One Wireless Printer, Black Nylon Anti Static Cover Dimensions 18.26''W x 15.35''D x 9''H by The Perfect Dust Cover LLC