effect of phocarabiner keychainsphor 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 of 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 and 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 a reliable website. Once you confirm the best one, there you can find the instruction to design and place the order. Normally steps like the following. Choose bracelet style. The popular styles are debossed, embossed, colorfilled, printed and embossed printed. Our webist will show feature of each one. Choose size. Regular sizes of a rubber bracelet are 6”(150mm) for toddler, 7”(180mm) for youth, 8”(202mm) for adult in circumference and 1/4”(6mm), 1/2”(12mm), 3/4”(19mm), 1”(25mm) in width. Choose colors and quantity. There are 4 styles of colors mainly. They are solid, swirled, segmented, glowing and UV transfer. Normally you can select only one color for the logo or message. But if you need multi colorscarabiner keychain, we will give the best suggestion. Enter the message you need to put on the bracelet. You are able to make the message front and back or continuous outside. For the inside, the message can be printed or embossed. There will be import tax when the product arrives. So we have to make it clear if there is no tax and extra fee.