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 avpromotion giftsoid 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. ode, 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. When you scan the code with a phone, the detail of patient name, address, 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. If the 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. It is for special needs like Alzheimer, Dementia etc. Order over than 100 get 100pcs wristbands free & 10pcs keychains free. Order less than 100 get 50pcs wristbands free & 5 pcs keychains free. Welcome to place an order here. promotion giftsband.com/cute-medical-id-bracelets" target="_blank"> this epidemic has spread to the world. In recent years, people began toSome functional materials, bracelet montre silicone such as negative ions, germanium, titanium, far infrared, etc., are added to the raw materials of the bracelet montre silicone to be processed.Have certain health care function, swept the world. The bracelet montre silicone is wildly used for sports field, can be used as gifts, souvenirs, promotional items, etc., is a hot fashion jewelry; it is a low cost, high advertising effectiveness of advertising promotional gifts. People can choose their favourite colors in pantone color chart, more than over 1000 colors for their options. Also custom wristband can be created special shape, not only in round.The bracelet montre silicone can be watch also. silicone-wristbands-johannesburgwhat-are-those-rubber-band-bracelets-called ng on the wristband ? Let me show you. There are 3 styles regularly. Debossed colorfilled silicone wristband is a kind of wristband that is debossed and filled with colors. It has a debossed effect on the surface of wristband . We need to make one mould for every design. When it is extruded the silicone , the logo will be on the wristband. Finally we will fill it with the silicone ink. Embossed printed silicone wristband is made by mould also. It has embossed effect. All the logo or text are printed with silicone ink on the surface. The logo or text can be continious or front and back opsition. Printed silicone wristband is plain with a customized logo. Your logo or text can be printed on the surface of the blank wristband with the silicone ink by the silk screen printing technology. We make a unique printed film for one design. It touches smooth.