Office Magnets leave behind your promotional message at every service or sales call. Create a huge impact with door hangers without the huge investment. Corporate magnets capture attention year round. Using refrigerator magnets for mailings has a lasting power on file cabinets, refrigerators and machinery. Keep your customers hanging around for more of your great products and services with promotional door hangers. Garrett Specialties offers a wide variety of promotional magnets available in an assortment of sizes and shapes.