Car Magnet Specifics: Indoor/Outdoor 30mil Thick Magnet Water-Resistant UV Protected Inks Oval Magnet Measures Approximately 4″x 6″ Please Note: Colors may vary slightly from those shown on screen. *Be sure to apply the magnet to a clean, dry surface. To improve the life of the magnet, remove and clean the surface below the magnet once or twice a month, or when the vehicle surface is exposed to excess dirt and/or grime. It is advised to remove a car magnet prior to any commercial car wash.