ill 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 glowicustom keychainsng 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 finencustom keychainsess and granularity are evenly distributed. custom-silver-braceletsnike-rubber-bracelets For a custom silicone wristband, the logo can be debossed, colorfilled, embossed, embossed printed or printed. If you want the logo be colorful, the debossed colorfilled, embossed printed or printed with colors will be good choice. The band color can be solid, swirled, segmented, UV sensitive and glow in the dark. Size of wristband can be small as kids to large as adult, even an extra large size for a strong body. In additional, We can print bar code, QR code or unique serial number together with some detail on the wrsitband. Large dicount offering now. Using coupon SAVE10, we offer 10% additional discount for the total price. Order over than 100 get 100pcs wristbands free & 10pcs keychains free. Order less than 100 get 50pcs wristbands free & 5 pcs keychains free.