50pcs free , order more than 100pcs , get 100pcs free. The free are of same design as ones you order. Besides, you can get 5-10pcs key chains. Larger amount, more favorable price. No MOQ, even 1pcs we will make. We are always strict in quality of our product focusing on edge cutting, polluted mark and printed logo to make a best product for you. Due to the prompt service of FedEx, UPS and DHL, we are able to make a 4 days order. Super rush order of 1 days production and 3 days shipping is available. It helps you achieve your promotional event. And we have ability to do international orders, only needs little international shipping fee extra. 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. If you place an order, you can pay it by PayPal, credit card or debit card. If you are not pay on line, we are able to send an invoice for which you can pay later. We will make and send you digital proof even it is just a quote. We will inform you the tracking number once it is ready. And we provide the best suggestion if order get stuck on the way. If you are not satisfied with our product or it gets delay, we will refund to you. Or if you need replacement of the defective wristband, we will also do it for you free. The busimake your own rubber wristbandness philosophy of responsibility and good faith ensure our service quality. make your own rubber wristband19/170827_6179.png" width="350" height="350"> nt 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. A UV rubber bracelet can transfer it’s color darker under sunshine when absorbing UV light. It transfer to purple or blue normally which indicating the strength of the UV index. Wearing it on the wrist is a good way to avoid long time staying under strong sunshine. We add UV powder which is also green as silicone in production. The UV powder is kind of photochromic material. We use it to make this change. Photoreceptor color is irradiated by ultraviolet or sunlight, absorbs ultraviolet or sunlight, and produces changes in color. When it loses ultraviolet or sunlight, it returns to the original color.