e size. It is the average sizes for toddler, youth and adult. The direct way is to measure the circumference of your wrist before selecting. If all the above sizes do not fit you, it is available for custom size. We can make variety of sizes. How to choose bracelet color? There are 4 styles mainly. They are solidpersonalized silicone bracelets, swirled, segmented and glowing. Solid color looks brief and clear. There is only one color of 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 wearing two or more solid wristbands on one wrist of different colors to show individuality. Swirled is more than solid, two to four colors can be swirled in one wristband. The colors looks like some coatings mixed half way, some stripe and smoke of color inside. The most outstanding swirled is camouflage rubber 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 apersonalized silicone braceletsnother, they are next to each other. We can make mostly 7 colors in a segment bracelet, the rainbow one has yellow, blue, orange, pink, purple, red and green in it. custom-made-silicone-wristbandscreate-your-own-silicone-wristband mongrass, lavender, clove and other natural plant oils. And the nutural plant oils is the reason why it is mosquito resisting. A mosuito repellent rubber bracelet is comfortable to wear on the wrist or leg as its good air permeability . It is designed as non contacting type of the controling module so safe for adult and kids. A glow in dark silicone bracelet is made by the same technology with the normal bracelet but adding the glow powder . The powder can be added into the band body or the ink for the printed or debossed infil 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 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.