Promotional Auto, Car Sign Oval Magnet 3-3/4 x 5-3/4 - Removable, This magnetic car sign features an oval shape and a 3 3/4" x 5 3/4" size. Approximately 0.030 thick and always-in-stock, this blank canvas is just waiting for you to customize it with your company name, logo and copy. Building brand awareness can be a smooth ride. "Remove weekly for surface cleaning; automatically added to every car sign" ... #CS51 $4.63/each.