Custom Jumbo Size Quad Decora clear acrylic mirror switch cover plate with highly polished beveled edges. Used to cover GFI Outlets and Rocker Switches. The gasket backing provides for a flatter installation by preventing warping. Complete with bright plated mounting screws. 1/8" Thick acrylic with 1/8" Thick gasket perimeter backing. 10" X 6" Overall Size.