A uv silicone wristband 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 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 icool bracelets to maket a band. where-to-buy-colored-wristbandsbuy-wristbands-online ch all the pantone colors, for the band color and logo color. The band can be solid, segment, swirl, glowing and UV transfer. Glowing wristband can glow several colors, it is the best for night event like bar party, concert or night walk. We can make it party city theme. A glow in dark silicone wristband can glow green or blue after absorbing strong light energy under the effect of phosphor which is very small amount added and green to human. The glow will fade gradually in about 3h depending on how much light it absorbs. The logo can be same as regular debossed, embossed or printed on the glowing wristbands. After exposure to natural light, fluorescent light, and ultraviolet light, the phosphor can store the light energy, stop the light and release it slowly in the way of fluorescence, so the light can still be seen at night or in the dark, lasting for hours to more than ten hours. 29c as silver and 877c as metal silver. 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 is 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. Usuacool bracelets to makelly 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 name, age, address will show up. All the id bracelets should made from 100% silicone which is harmless and eco friendly.