is a real green jewelry with wear-resistant , high temperature resistance, no deformation and no side effects on body. Silicone bracelet has certain care function while some functional materials such as negative ions added into the bracelets A glow in dark silicone bracelet is made by the same technology with the normal bracelet but adding the glow powder . The powder 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 absorbicustom fundraising braceletsng 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 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. embossed-printed-wristbandmiscarriage-awareness-silicone-bracelets cancer. He shows us the strengthen and brave facing the disease. We can make the inspirational sayings on the bracelet to express our desire. It is awareness bracelet also. When you see the bracelet, it will remind you of what need to be always think of. People who plays basketball like to wear a wristband, like LeBron James. It says I PROMISE on his black wristband. It was James"commitment to the Cleveland people. It"s a promise to bring the championship trophy to Cleveland. It inspires LeBron to play better and won more games and finally get the championship for his city. A yellow wristband is an awareness and inspirational wristband. People who wear a yellow wristband ccustom fundraising braceletsan get strength to fight against disease. People usually make pink bracelet for breast cancer awareness. It gives strength to fight cancer.