wristband can glow green or blue after absorbing strong light energy under the effect of phosphor which is very small amount added and green to human. The glow will fade gradually in about 3h depending on how much light it absorbs. It is the best one for night event. Such music show, night walk and so on. The logo can be same as regular debossed, embossed or printed on the glowing wristbands. After exposure to natural light, fluorescent light, and ultraviolet light, the phosphor can store the light energy, stop the light and release it slowly in the way of fluorescence, so the light can still be seen at night or in the dark, lasting for hours to more than ten hours. The luminescent powder can be automatically lit in the dark. The main component is rare earth, which belongs to inorganic materials. The luminous powder first absorbs a variety of light and heat, converted into light energy storage, and then automatically luminescence in the dark, by absorbing all kinds bottle opener ringof visible light to realize luminescence. The product does not contain radioactive elements, and can be used indefinitely, especially for short wave visible light, sunlight and ultraviolet light (UV light) under 450 nanometers. Accept the ability. Here is the properties of the luminous powder. 1st short excitation time, long duration of luminous anbottle opener ringd afterglow, high brightness. 2ndvery stable physical and chemical properties, strong environmental adaptability, ordinary service life. 3rd safe and reliable, energy saving, green environmental protection.4th The particles are small, and the fineness and granularity are evenly distributed. custom-silver-braceletsnike-rubber-bracelets one rubber wristband resisting cancer. LIVESTRONG rubber wirstband was adorned by Armstrong who suffer from cancer. He shows us the strengthen and brave facing the disease. 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. Custom silicone wristband can be debossed, embossed or printed as basic style. If you want the logo be colorful, the debossed colorfilled, embossed printed or printed with colors will be a good choice. A custom silicone wirstband contributes to memorials, cross-fit, holiday decoration, party favors, company event etc. Go to a website to custom your own wirstband is a easy way . First, select your size. Length 8inch for adult, 7inch for youth and 6inch commonly for kids. If you want the suitable size of you wrist, a new mould must be made to match it. Second, choose your band color and logo color. Variety of colors in the pantone color chart to match your favourite. The band can be swirl, segment or solid. Third, choose the band and logo style. The band can be figured as you request. The logo can be printed, debossed or embossed with color or not.