V index. Wearing it on the wrist is a good way to avoid long time staying rubber bracelets with logounder strong sunshine. We add UV powder which is also green as silicone in production. The UV powder is kind of photochromic material. We use it to make this change. Photoreceptor color is irradiated by ultraviolet or sunlight, absorbs ultraviolet or sunlight, and produces changes in color. When it loses ultraviolet or sunlight, itrubber bracelets with logo returns to the original color. Photoreceptor products, after sunlight or ultraviolet radiation, can absorb the energy of the sun or ultraviolet rays, produce changes in the molecular structure, lead to changes in the absorption wavelength, and produce color changes; when the sun or ultraviolet energy is lost, the original molecular structure is restored and the color of the cost is reduced. Application of photosensitive discoloration material: coating, suitable for various surface coating products, including PMMA spray paint, ABS spray paint, PVC spray paint. Ink, printing of various materials, including fabric, paper, synthetic film, glass, etc. Plastic products, suitable for various kinds of plastic PP, PVC, ABS, silicone rubber and other materials, such as the ejection, out of shape. custom-camo-silicone-wristbandscool-silicone-wristbands have professinal designers to make a proof, all you need to do is send us the message. We can make a proof in short time in 2 hours when you place the order. And the digital proof and revision is free. The factory is serving our website. It is easy and fast to get custom rubber. As we are factory, all the material we get is low price. So we can provide you wristband for the best price. 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. We can make all kind of silicone wrsitband. Solid, segment, swirl, dual layer, glowing, uv transfer, and figured. Your logo can be printed, embossed, debossed, colorfilled or embossed printed. Are you ready to make a order!