• One of our most important cufflinks to date, show your support and back the pink ribbon in your daily life. With every purchase of the Pink Ribbon Breast Cancer Awareness Cufflinks, CuffLinks.com will donate 10% of sales to breast cancer research. Help raise awareness and join in the fight against one of the leading causes of death in women today. Constructed of pink enamel and rhodium-plated silver, the design depicts the global icon for breast cancer support. Cufflinks by Cufflinks, Inc. • Bullet Back Closure.