Rikki Knight Yellow Black Nuclear Hazard Sign Design Round - Single Toggle Light Switch Plate Masonite Hardboard Material Measures 5"x 5"x 0.18" Diameter. Please allow upto 2 inches space from the lightswitch place to the door opening to ensure that this fits adequately in the space provided. ***Proudly Made in the USA*** Clean Easy - Wipe with Damp Cloth For use on Walls (set of screws included) Glossy Vibrant Finish