This magnetic car sign features an circle shape and a large, 5 3/4 diameter size. Approximately 0.035 thick and always-in-stock, this blank canvas is just waiting for you to customize it with your company name, logo and copy. When used properly, car sign magnets can easily be removed and reused without leaving a residue. Building brand awareness can be a smooth ride. Remove weekly for surface cleaning. automatically added to every car sign.