Small Counter Stamps are made to order. Imprint size of this stamp reads "Postage Due" and includes a space to write the amount. Each stamp measurs 1/2"x1 5/8". Replace Postal lables and send a clear and easy-to-read message with these stamps. The standard color is Red and Blue, Black, Green, or Purple ink is also available. Order 5 or more and receive a free small stamp tray!