Blood Cancer Awareness Ribbon Lapel Pin. This silver tone metal ribbon shaped lapel pin is color filled with red enamel and has the words BLOOD CANCER in raised silver metal against the red background. Each pin measures 1" tall by approx 5/8" wide and has a military (also know as butterfly) clutch back. The pin is proudly Made in USA and says Made in USA on the back side. Each pin comes individually polybagged.