one bracelet is a real green jewelry with bff rubber band braceletswear-resistant , high temperature resistance, no deformation and no side effects on body. Silicone bracelet has certain care function while some functional materials such as negative ions added into the bracelets A glow in dark silicone wristband is made by the same technology with the normal bracelet but adding the glow powder . The powder can be added into the band body or the ink for the printed or debossed colorfilled style wristband. The glow powder is eco as well as the silicone material bracelet. When absorbs enough strong light before being put in the dark, it glows blue, green or red depending on the style of the glow power. The glow will last for hours and gradually weaken. But when reabsorbs the light , it glows again like original shows. It is the most favorable item for the night event. It looks so good in the dark reflecting the logo custom. Hope this can help you for the glow in dark silicone bracelets. 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. usness, worship, become the eternity of life, to retain memory as the most beautiful picture of life. Tattoo is a symbol of beauty, mystery, sexubff rubber band braceletsality and charm, a vivid expression of unique personality and self, and a manifestation of personal beliefs. We can also make the tattoos design on the wrsitband also. As the tattoo is uaually complex, so we can make it printed style. Your logo or text can be printed on the surface of the blank wristband with the silicone ink by the silk screen printing technology. We make a unique printed film for one design. It touches smooth. Big sales now of 10% discount using coupon code SAVE10. Order over than 100 get 100pcs wristbands free & 10pcs keychains free. Order less than 100 get 50pcs wristbands free & 5 pcs keychains free. Welcome to place an order here.