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 ilicone bracelet before. So let me introduce the silicone products. Silicone products can be divided into three categories according to the different molding process. 1、Molded silicone products 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. 2、Extruded silicone products 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. 3、Liquid silicone products 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. ip bracelets are two or sereral bracelets that shows the friendship between team personalize your own braceletplayers, friends, classmates and so on. It is easy to make Friendship bracelets for famlies also. We make it in different size. 202mm for adult, 190mm for women, 180mm for youth and 150mm for toddler. Some inspiraton and wish should be printed on the wristbands. When graduate from school, some classmates will leave us. We can make bracelets to everybody for friendship. The bracelet can be colorful with segment or swirl style. It is cute to make camouflage, rainbow, glowing or UV wristband. All it can be customized in our store. The logo can be personalize your own braceletembossed, debossed, colorfilled, printed or embossed printed. Using coupon SAVE10, we offer 10% additional discount for the total price. Order over than 100 get 100pcs wristbands free & 10pcs keychains free. Order less than 100 get 50pcs wristbands free & 5 pcs keychains free.