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 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 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. usb-wristband-wholesaleunder-armour-silicone-wristbands tcustom rubber braceletsh any cocustom rubber braceletslors , any styles , any sizes and so on . Normally , the color of inside and outside of the silicone rubber bracelet is the same . Maybe some people want their bracelets to be special . If the customer want to order the special customized rubber bracelets , we will suggest them to choose dual layer wristband for themselves . What is dual layer customized rubber bracelets ? What are its characteristics ? How to produce it ? What is dual layer customized rubber bracelets ? And What are its characteristics ? When we order solid color wristband , segmented color wristband or swirled color wristband , the color of the inside and outside is the same . But the dual layer personalized bracelets is different from them . The color of inside and outside of dual layer personalized bracelets can be different . Such as the outside can be red , the inside can be white . How to produce the dual layer wristband ? If we want to produce this style wristband , we need to produce a wristband and then , we will spray ink on the band surface . We can choose printed and debossed colorfilled style for the dual layer customized rubber bracelets . montre-bracelet-silicone-decathlon24-hour-wristband Silicone products can be divided into three categories according to the different molding process. Molded silicone products are usually made by being put into the high temperature mold after the addition of curing agent in the solid silica gel through the curing machine pressure and high temperature into a solid. The shape of the mold determines the shape of the molded silicone products. Molded silicone products is currently the most widely used in the silicone industry. So as for silicone bracelets. Extruded silicone products are usually extruded through the extrusion of silicone molding. The general shape of the extruded silicone long and tubular which can be cut, but the shape of the extruded silicone has limitations. Liquid silicone products are made through the injection molding of silica gel. Because of its soft characteristic, widely used in the simulation of human organs.