associated with the blue silicone wristbands than any other color. The biggest right now is the campaign to stop bullies that is big in the UK with blue silicone wristbands that say "Beat Bullying"--ironically these bracelets have apparently become targets for bullies! Other blue silicone wristbands represent general cancer research, prostate cancer support, anti-Bush vote 2004 and tsunami relief. Blue is also used for for autism support; usually the autism support wristbands are a dark navy blue. Also, blue represents domestic violence and child abuse prevention. And, there are blue wristbands that support cystic fibrosis research that say "Breathe". Arthritis Dystonia (a kind of neurological disorder that causes twisting, repetitive movements, and even abnormal postures) Child Abuse Sexual Assault Thyroid Disease Eating Disorders Education Graves’ Disease Pro Choice Ovarian Cancer Irritable Bowel Syndrome Gastro-esophageal reflux disease or GERD Esophageal Cancer Lymphedema, or lymphatic obstruction Myalgic Encephalomyelitis or Myalgic Encephalopathy, though the general public often refers to it as chronic fatigue syndrome Prostate Cancer Reye’s Syndrome, a rare but potentially deadly disease that may affect the liver and brain, and which occur in children who are recovering from a viral infection Scleroderma Victim’s Rights Water Quality Sexual Assault Thyroidcustom lanyards Disease Trisomy 18 or Edwards Syndrome, a kind of genetic disorder cheap-custom-silicone-wristbands-free-shipping er . The powder can be added into the band body or the ink for the printed or debossed infil style bracelet. The glow powder is eco as well as the silicone material bracelet. When absorbs enough strong light before being put in the dark, it glows blue, green or red depending on the style of the glow power. The glow will last for hours and gradually weaken. But when reabsorbs the light , it glows again like original shows. It is the most favorable item for the night event. It looks so good in the dark reflecting the logo custom. Hope this can help you for the glow in dark silicone bracelets. A uv silicone bracelet can transfer its color darker under sunshine when absorbing uv light. It is not only with good looking appearance but also indicating the strength of the uv index. So some uv silicone bracelets made as the indicationcustom lanyards with the ruler of levels of index. Wearing on the wrist to avoid long time staying under strong uv. So what makes it uv transfer ? The answer is the UV phosphor which usd uv energy to open the sensitive molecular bond and make it jump from low energy to high energy level There will be a change from visible light to visible light, resulting in the changing color from light to dark. It become a uv silicone bracelet when the UV phosphor is put into the silicone mass and produce it a band.