the band body or the ink for the printed or debossed colorfilled style bracelet. 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 bracelet 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 use 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. usb-wristband-wholesaleunder-armour-silicone-wristbands f logo like a watch, heart or other shapes. It is made by mould. The logo can be debossed, debossed colorfilled, embossed, embossed printed or printed. When we make the design, we can put the fishtail logo on the middlle of the bracelet as the figured part.rubber band bracelets how tourwristbands.ca/rubber-band-bracelets-how-to">rubber band bracelets how to The width of logo will be larger than the bracelet. So it looks outunderstanding. Also you can make it better by making the colors different. The bracelet can be segment, swirl and glowing also. Our designer will make it best. We have our own factory, production team, designing and sales team. We produce milions of bracelets per year wholesale price. Order less than 100pcs, get 50pcs free and 5pcs keychains free. Order 100pcs or more, get 100pcs free and 10pcs keychains free.