Here is one oval magnet that communicates your passion about two causes! Pink ribbon for breast cancer and 13.1 for the run of your life. Buy our Magnetic Breast Cancer Awareness 13.1 Pink Ribbon Car Magnets with a classy and simple message. This 4" x 6" 13.1 Pink Ribbon Breast Cancer Awareness oval magnet is manufactured and printed in the USA. We print on premium quality, super-thick (.030) magnetic material with top quality, UV protected inks.