FastEngle LED Night Safety Sport Flashing Armband Belt Light up Slap Wrap Bracelets Wrist Bands for Running Cycling Jogging Caving Travel Outdoor Reflective Belt GLOW in the Dark: LED lighted armband increases visibility during night sports - be seen by cars after dark when running, bicycling, outdoor sports or just walking the dog. MULTI-APPLICATION: can be wear on the arm, wrist, leg, ankle, or hair, or other poles, safety sign for running, hiking, jogging, cycling, and other parties. Easy to wear & use it. It's also perfect for Child Safety, Roadside Safety, Construction. EASY TO USE and 3 FLASH MODE: magic tape and One Button Switch, Easy to Fold and Carry, The Waterproof Packing Bag is Convenient for Outdoor Sport. Perfect gift for runners - replaceable batteries included - keep your loved one safe with fast or slow flashing lights. Durable nylon band encases a flexible LED core - velcro closure is secure and adjustable so you can be comfortable when you run.