This magnetic meatball package comes with your choice of up to three numbers, and are perfect for the weekend racer. These temporary magnetic number and class decals come with your choice of up to three numbers, and are perfect for the weekend racer. This pair of 30mil. magnetic number kits are designed to stay on your car at high speeds. They come in a variety colors and number styles. For a more custom design please call us at the phone number at the top of this webpage.