Show your support for Breast Cancer Awareness when you craft some thoughtful handmade jewelry with these awareness ribbon and heart spacer beads. They're perfect for creating thoughtful, beautiful keepsake gifts for the special fighters and survivors in your life. Create a DIY awareness bracelet for each of your friends to sport during Breast Cancer Awareness month! Each with a 2mm hole. Metal. (2 dozen per unit) Ribbons, 6mm x 10mm; hearts, 8mm x 9mm.