Size AdjustableThe LED sports armband has a dimension of 1.5"x 20", just simply adjust the night running gear to proper length and button up to use. Its lightweight & comfortable for adult, children or pet. Length adjust from 12.5-20 inch. Multiple ColorsYou can choose colors of led armbands from red, yellow, blue, green, orange, pink and white. We also have a set including each color. Luminous ModeJust press the button and enjoy two modes flashing: Steady glow, blinking, off. This glowing bracelet is the best glow party supply for parties as well as companion and guard for your outdoor activities at night. Multi-UsagesThis LED Armband is nicely visible while walking, riding, running with it at night, which makes you more conspicuous and keep you safe at night time. It's also perfect to serve as dog collar for your pet when night walking. Kids always lovethese light up wristbands. 100% Quality GuaranteeIf there is any quality problem with this flashing safety light up band, please feel free to contact us, Our customer service team will be very glad to help you anytime. No any risk to order it Now!