The biggest advantage with these Outdoor & Car Magnets 30 Mil Square Corners is that they can stay outside without any kind of wear and tear for a long time, as they are waterproof, UV safe and also fade resistant. No matter whether you are using them in sunny hot season on in the cold season, your promotions will survive many more seasons to come. Order custom rectangle magnets now to gain our free full-color printing and free digital proof offers.