Price Buster! Calendar magnets offer promotional opportunities for virtually any business, organization or fundraising event! Measuring 3 1/2 x 3 7/8 and approximately 0.020 thick these always-in-stock items feature rounded corners and can be customized with your company name, logo and message. These economical mailers are ideal for sending to potential customers, loyal clients or as a way to say Thank You for referrals.