elet 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 bracelet. The glow powder is eco as well as the siliconecustom silicone wristbands 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 wcustom silicone wristbandsith 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 For the tattoo, we advise the printed style as it is complex design. Printed silicone wristband is plain with a customized logo. Your logo or text can be printed on the surface of the blank wristband with the silicone based ink by the silk screen printing technology. We make a unique printed mold for one design. The lines of the logo is printable clearly with the smallest 0.1mm width. This kind of silicone wristband is especially suitable for personalizing complex logo. And it touches smooth the printed wristband style. When the wristband is 202mm length and 12mm width, the tattoo should be 200mm length and 10mm width at the mas. At the mean time, you can add some text in the middle. All the tattoo can be one color or mutil colors. It is the best way the expree your idea of the tattoo bracelet with the printed method. ell wristbands worldwide. We have our own designers. We make all the designs for free. If you need to put your logo on wristband, JPG, PDF or AI file is appreciated. Our designer is skilled to transfer it into the digital proof. All we do for designing is free no matter you place the order or not. We are integrity of making and selling. Low price, good quality and service is our rule. If order less than 100pcs , get 50pcs free , order more than 100pcs , get 100pcs free. The free are of same design as ones you order. Large amount, more favorable price. No MOQ here, even 1pcs we will make. Due to the prompt service of FedEx, UPS and DHL, we are able to make a 2 days order. Super rush order of 1 days production and 1 days shipping is available. It helps you achieve your promotional event. We are always on line for your order and inquiry, 24 hours a day, 365 days a year. You could contact us via live chat, hot line and email. We will inform you the tracking number once it is ready.