This bulk pack of 1 dozen silicon rubber awareness wrist bands features the light blue awareness ribbon color theme. They come in standard adult unisex size of 8" around, and are suitable for both him and her. These bracelets are a great way to raise awareness for your cause, to raise funds for research, and to demonstrate your support. The light blue awareness ribbon represents a number of causes, including thyroid disease, twin to twin transfusion syndrome (TTTS) awareness, Velo-Cardio Facial Syndrome, prostate cancer awareness, Shprintzen Syndrome, Cushing Syndrome, DiGeorge Syndrome, Klinefelter's Syndrome, Lymphedema, men's health, thyroid disease, Addisons Disease, Graves Disease, Behcets Disease, and more. Size: 8 inches around for unisex adults; fits most men, women, and teens.