A uv silicone wristband 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 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. where-to-buy-colored-wristbandsbuy-wristbands-online nds . When we mentioned the silicone wristbands , the people"s first impression of it is the silicone wristbands has so many colors . Actually the silicone wristbands has so many colors , as long as the color is come from pantone color card , We can all produce silicone bracelets that correspond to the color of pantone color card . However this is not the only reason why silicone bracelets are popular . There are some other reasons . Such as there are many styles of personalized wrist band , different style of the rubber bracelet will show different logo effect to us ; There are some common size for people to choose . Different size of silicone wristband suitable for different ages of people ; The price of the silicone rubber bracelet is so cheap . Compared with other materials of ornament , the silica gel is so cheap . And few raw materials are needed to produce a silicone bracelet . It is for these reasons that silicone bracelets are very popular among all ages people . what are those rubber band bracelets called custom-watch-braceletsilicone-band youth, 8”(202mm) for adult in circumference and 1/4”(6mm), 1/2”(12mm), 3/4”(19mm), 1”(25mm) in width. We make it all together 2mm thickness. Regarding with the circumference, it is the most important factor to choose size in our order. It is the average sizes for toddler, youth and adult. The direct way to choose size is to measure the size of your wrist before selecting. If all the above sizes do not fit you, it is available for custom size. Our mould machine is updated to make variety of sizes. How to choose your bracelet color? There are 4 styles mainly. They are solid, swirled, segmented and glow. Solid color looks brief and clear. There will be only one color of the solid bracelet. Different color is for different meaning. White represents making poverty history. Yellow represents living strong to fight against cancer and so on. It is awesome to wear two or more solid bracelet on one wrist of different colors which shows individuality. Swirled colors is more than one color, you can put two to four colors swirled in the bracelet. The colors looks like some coatings mixed half way, some stripe and smoke of color inside. The most outstanding swirled is a camouflage bracelet which usually colored of black, 463c, 574c and 459c. It is especially suitable for outdoor activities. A segmented bracelet gets regular color segment from one to another, they are next to each other. We can make mostly 7 colors in a segment wristband, the tipical rainbow bracelet has yellow, blue, orange, pink, purple, red and green in it. Glowing wristband will glow in dark after absorbing light come from sunshine or lamps. How to choose logo color? The logo can be colored of all pantone colors, normally you can select only one color for the logo or messawhat are those rubber band bracelets calledge on one design. We can check what the color looks like on the molding step. There is no options for multicolor logo. But if you need it, we will give the best suggestion.