In the United States where there are sales of _24 hour wristband
ut also indicating the streng24 hour wristbandth 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. Different color of the bracelet has different meanings. Band color white stand for making poverty history. Yellow stand for livestrong. Black and white stand for standing up and speaking up. Blue stand for beatting bullying. Pink stand for supporting knowledge strength. Blue and white stand for one world one cause Blue and green stand for say no to sectarianism. Also a silicone bracelet can be used as a promotional item for entertainment or sport. It is hot sale as a advertisement gift. We are professional id bracelet maker with years of experience. Silicone wristband is not only used as promotional gift, but also as a medical tool. Medical 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 medical 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 detai24 hour wristbandl of patient name, disease, taboo drugs, status will show up. It is a good help for doctor and patient to know the treatment. All the medical bracelets should made from 100% silicone which is harmless and eco friendly to avoid secondary injury to patients. If the medical id bracelet is embeded with a chip, it will note down the information of exercise, heart beat and sleeping. Then trafer it to the phone app. It contribute to health care.