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 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 use uv energy to open the sensitive molecular bond and make it jump fcustom festival wristbandsrom 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. usb-wristband-wholesaleunder-armour-silicone-wristbands to express our best wish to people or things. We can make what you want to wish or memorize on the bracelet. It is awareness bracelet also. When you see the bracelet, it will remind you of what need to be always think of. In honour of the person who pass away, ucustom festival wristbandssually people will customize memorial bracelet. This bracelet is usually colored in black and printed with the name of the person and a ribbon. In 2016, the King of Thailand died. People are immersed in grief. To this end, someone customized a bracelet in memory of him. We made a couple of bracelets for wedding ceremony. Guest present their best wish to the happy couple wearing the pink bracelet printed with couple name and wedding date. Other wish bracelets are for the the event like graduation, historical events and so on. We can make it in different colors and logo styles. It can be solid, swirl, segment, dual layer, glowing or UV transfer. The logo can be debossed, embossed, printed ,embossed printed and colorfilled.