Our Periwinkle Blue Ribbon Lapel Pin is die struck from jewelers metal, bright enamel color filled and nickel plated. It is commonly used for Stomach Cancer, Eating Disorder Awareness, Esophageal Cancer, G.E.R.D. Gastroesophagean Reflux, among other causes. Each awareness pin includes a clutch back and is individually poly bagged. September is prostate cancer awareness month.