e 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. 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 Bluesilicone wristbands winnipeg 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. price and durable and comfortable to wear. And also most importantly, it is easy way to meet the request. It shows up a slogan and logo. A glowing wristband can glow several colors, it is the best for night event like bar party, concert or night walk. We can make it party city theme. A glow in dark silicone wristband can glow green or blue after absorbing strong light energy under the effect of phosphor which is very small amount added ansilicone wristbands winnipegd green to human. The glow will fade gradually in about 3h depending on how much light it absorbs. The logo can be same as regular debossed, embossed or printed on the glowing wristbands. 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 wristbands and keychains are same design of the one you order.