Faith Hope Survive Running Gear for Men Kids Night Safety Light Women Green Led Runners Armband Reflective Bright Lights Running Gear for Men Women and Kids Bright Led Safety Lights The flashing blinking led armband can also be used on your arm, leg or belt loop and even attached to your dog's collar. The length is 11 inches expandable to 12 Inches. Great Running Gear for Cold Weather with Replaceable Batteries High Grade Velcro / Nylon Makes It Last Through Marathons, Biking, Cycling, Running and More FHS Gear Stands Behind Our Products specifically for Running Gear for Men