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 changmetal carabiner clip keychaine 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 nd. It is the illegitimate daughter of Zeus, King of Greek gods, and Hippolyte, Queen of Amazon. It has hemispheric blood. After coming to the human society, she began to fight crime and chivalry as a magical woman, and practiced the concept of power and love of Amazonians in Paradise Island with actions. We can make a wonder woman bracelet with our message and logo on it. It is an inspirational bracelet, giving us power of wonder woman. Regular sizes of a silicone wristband are 6”(150mm) for toddler, 7”(180mm) for 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. The bracelet can be metal carabiner clip keychainsolid, swirled, segmented and glow. There are 5 kinds of logo style, debossed, embossed ,colorfilled, embossed printed and printed.The logo can be colored of all pantone colors, normally you can select only one color for the logo or message on one design. We can check what the color looks like on the molding step.