Round silver rings with a dark blue ribbon dangling in the center and the words "Colon Cancer Awareness" all around it make up these silver split-style keychains for colon cancer awareness. An excellent item to market to raise money for colon cancer awareness programs. The charms have a diameter of around 3/4 inches, while the sterling silver-plated keychains have a diameter of almost 1 1/2 inches. Each keychain comes in its own bag.