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s, UV sensitive rubber wristband is a good choice. As a promotional gift, rubber wristband has advantage of favorable price, soft to touch and long lasting, so it is very popular. Let me talk something about UV rubber wristband. A UV rubber bracelet can transfer it’s color darker under sunshine when absorbing UV light. It transfer to purple or blue normally which indicating the strength of the UV index. Wearing it on the wrist is a good way to avoid long time staying under 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, it 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, includingcustom bottle openers 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. We make the UV transfer wristband with silicone material original colors. So it look like jelly with translucent. The it gets to purple or blue in the sunshine, so cool it is. All styles of logo we can customize on it, debossed , colorfilled, embossed, embossed printed or print. Acustom bottle openersnd the size we can make is adult , women, youth and toddler. The there is anything unclear, please go to our category at which we will show you all. silicone-wrist-braceletscustom-friendship-bracelets against cancer mentally. As we all know, cancer is a horrible disease. People who suffer from cancer must keep good mood and be encouraged, or it will be a hard battle. A custom silicone bracelet can help. We can make a slogan like beat carcer, fuck carcer on the bracelet. We can make the size, color and logo style different. The size is 150mm, 180mm and 202mm or other customized size. We can use all pantone colors for the bracelet and logo. And the bracelet can be solid, segment or swirl. The text or logo can be printed, debossed or embossed on the bracelet. 10% discount is being offered using coupon code SAVE10 now. Order less than 100pcs, get 50pcs free and 5pcs keychains free. Order 100pcs or more, get 100pcs free and 10pcs keychains free. All the free bracelets and keychains are same design of the one you order.