Door hangers. For years, certain types of businesses have used door hangers with great success, including real estate agents and pizza restaurants. More and more businesses these days are trying door hangers as a non-traditional method of reaching customers with a precise message. Our door hangers are full color on both sides. You can run one message that flows between the two sides or a separate message on each side. This format is ideal for an attached coupon, giving you a more aggressive marketing piece, as well as the ability to track your response.