Our Glass Mirror Switch and Outlet Cover Plates have highly polished 5/16" (8 mm) wide beveled edges, and are cut from quality 3/16" (5 mm) plate glass. There are a total of 45 different styles to choose from in single, double, triple, quad, five and six-gang, including a variety of blank plates. All come in three standard colors: Clear, bronze, and gray. All plates are individually blister carded in an attractive retail package. Mounting screws and plastic spacers included with each pack.