12"x18" Car Door Magnet (Set of 2)12"x18" custom car magnet sign for the side of your car, trunk or tailgate. Your custom design will be printed in one to full color on our heavyweight white vinyl magnetic material . 030" thick. Sold in pairs. Pricing is per pair. Perfect for getting your message to thousands of people around town, with little cost. Before applying your magnet to your vehicle, make sure that both surfaces are clean and flat. Vehicle magnets are designed to be removed