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. It is the best one for night event. The logo can be same as regular debossed, embossed or printed on the glowing bracelet. We can make your team name or flag on the surface. The popular styles are debossed, embossed, colorfilled, printed and embossed printed. Regular sizes of a rubber bracelet are 6”(150mm) for toddler, 7”(180mm) for youth, 8”(202mm) for adult in circumference andanimal bracelets rubber bands 1/4”(6mm), 1/2”(12mm), 3/4”(19mm), 1”(25mm) in width. There are 4 styles of colors mainly. They are solid, swirled, segmented, glowing aanimal bracelets rubber bandsnd UV transfer. You are able to make the message front and back or continuous outside. For the inside, the message can be printed or embossed. Many letter can put on a bracelet, we are able to make the letters smaller to get more quantity. 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 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.