dded into the band body or the ink for the printed or debossed colorfilled style wristband. Tsilicone wrist bandshe glow powder is eco as well as the silicone material. 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 rubber wristbands. A uv rubber 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 rubber wristbands 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 custom-wristbands-australiacheap-custom-wristbands-no-minimum are as follows : 1.Printing ink . We all know that high quality products can be used for a long time . The same is true of the printing ink used for printing silicone bracelets . Custom promotional bracelets made of high quality printing ink can keep text for a long time . However custom promotional bracelets made of inferior printing ink can"t keep text for a long time . 2.Production process . Silk screen printing process of silicone rubber bracelet is very important. Whether the surface of the event wristbands is clean or not, the dirty surface of the club wristbands will lead to insufficient adsorption of printing ink , so the manufacturer will clean the surface of the silicone bracelet . 3.Silicone wristband rub with other objects . When we wear silicone bracelets , it will rub with other objects and the message and logo is stay on the surface of the custom promotional bracelets . As the number silicone wrist bandsof times the bracelet rubs against with other objects increases . The words on the bracelet will fade away gradually .