A uv silicone wristband can transfer its color darker under sunshine when absorbing uv light. It is not only with good looking appearancehorizon wristbands but also indicating the strength of the uv index. So some uv silicone bracelets made as the indication 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. where-to-buy-colored-wristbandsbuy-wristbands-online ill make. Custom silicone wristband can be debossed, embossed or printed as basic style. If you want the logo be colorful, the debossed colorfilled, embossed printed or printed with colors will be a good choice. A custom silicone wirstband contributes to memorials, cross-fit, holiday decoration, party favors, company event etc. Go to a website to custom your own wirstband is a easy way . First, select your size. Length 8inch for adult, 7inch for youth and 6inch commonly for kids. If you want the suitable size of you wrist, a new mould must be made to match it. Second, choose your band color and logo color. Variety of colors in the pantone color chart to match your favourite. The band can be swirl, segment or solid. Third, choose the band and logo style. The band can be figured as you request. The logo can be printed, debossed or embossed with color or not. The first rubber wristband came to the world in US 2005. It is the yellow “LIVE STRONG” siliconhorizon wristbandse rubber wristband resisting cancer. LIVESTRONG rubber wirstband was adorned by Armstrong who suffer from cancer. He shows us the strengthen and brave facing the disease. Different band colors stand for different meanings. For example white for making poverty history and blue for beating bullying. Also we can also make our message to express our desire.