can be added into the band body or the ink for the printed or debossed colorfilled 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 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 use uv energy to open the sensitive molecular bond and make it jump from low energy to high energy level. bracelet-en-silicone1-4-inch-silicone-bracelets Silver is called the metal of the moon. It is a symbol of white brilliance. In some times, silver was more valuable than gold. Silver symbols are insight, inspiration, interstellar power and intuition. Silver is often used as a symbol of sacrifice in Western fantasy, and also represents mysterious significance. Silver is a calm color, representing nobility, dignity, purity and eternity. Silicone wristband is not only used as promotional gift, but also as a tool. Id bracelets is commonly used. It custom wristbands torontois a high quality silicone bracelets with the ID printed on. We can print bar code, QR code or unique serial number together with some detail of the institute. Usually the wristband width need at least 15mm so that the code is clear enough to be scaned. We you scan the code with a phone, the detail of patient name, status will show up. All the id custom wristbands torontobracelets should made from 100% silicone which is harmless and eco friendly.