Oliver Signs & Advertising offers several sizes of our Coro-Mag custom magnetic signs that are reusable, durable, easy to install, and residue-free. Our standard size (80” x 22”) magnetic signs are ideal for advertising special promotions and sales on the sides of various vehicles, including pickup trucks, vans, SUVs, sedans, and compact cars. They run down the length of the vehicle between the front and rear wheels and cover both doors.