ting 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. Different color of the bracelet has different meanings. Band color white stand for making poverty history. Yellow stand for livestrong. Black and white stand for standing up and speaking up. Blue stand for beatting bullying. Pink stand for supporting knowledge strength. Blue and white stand for one world one cause Blue and green stand for say no to sectarianism. Also a silicone bracelet can be used as a promotional item for entertainment or sport. It is hot sale as a advertisement gift. Cool rubber braceletsare usually made of silicon,eco-friendly silicon material is nontoxic and harmless, Custom rubber bracelets are top promotional item for your company, cause or organization, people can ware rubber bracelets during party, event or sport and can enhance their awareness. Cool rubber braceletsare the blank silicone wristbands wholesalereal green environmental protection accessories.And they are very popular and widely used all over the world, loved by young people especially. Nowadays people always buy cool rubber braceletswhich carry their slogans, messages, wishes or ideas and give away to their friends, customers or members. Cool rubber braceletscan be printed custom message or logo on the custom wristband, it can be flat,embossed or debossed. Custom your logo or wording on the custom wristband to expand your idea or awareness around people. cool-things-to-do-with-rubber-braceletsbig-rubber-bracelets Friendship bracelets are two or sereral bracelets that shows the friendship between friends. It is easy to make Friendship bracelets. 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 bracelets with letters. How to make letters on it ? There are normally two methods. One is silk print with the printed film. The silicone ink will be printed on the surface via the film. The letter can be small as it require the letter to be smallest at 0.1mm bold. So we can print more letters with silk print method. The other is colorfilled with a mould. It have a engraved effect with the ink filled in. It require the letter to be 0.3mm bold at least. Pls send me your message with letters and logos, our designer will check which method is best to make the friendship bracelet. We make the design for you free, no matter you order or not. ome options to be good combination. For the band color, solid is common. Do you know segmented or swirled ? They are changes from solid one by adding colors. Like the rainbow wristband, there are 7 solid colors segmented next each other. It is the inspiration from nature. It is a meaningful wristsband. The appearance of rainbow meansblank silicone wristbands wholesale the end of pain and suffering, the arrival of success and happiness. God will let them see the rainbow at the same time and receive God"s blessing. Legend has it that the person who expresses himself to you under the rainbow will be the most important person in your life. Aother one is swirled wristband. There are 2 to 4 colors on the wristband, swirled each other. The most inportant one is camouflage. It looks like a military uniform color. It is awesome you can wear it when you on the camp or outdoor. Looks handsome. This is the 2 kinds of fair wristbands, you can also make a mold-up on our ordering page to see how it looks better using different colors for the design.