Planning a promotional event for your business? Use these Outdoor & Car Magnets 30 Mil Square Corners to make people aware about the program and let them know more details about the event. For restaurants and cake shop businesses planning a food festival event will be a good idea. Get these custom rectangle magnets imprinted with all details and place them on your car and give it to potential customers too. Waterproof and UV safe features make these magnets durable.