Keep yourself safe and free from accidents during running and biking. This belt bag features an adjustable elastic waist strap and extends up to 60" long to fit any waist size. All bags have a zippered reflective closure with 6 extra bright LED lights placed under each reflective square. You can turn it on by pushing on its power button and it can do a series of blinking options such as slow blink, fast blink, solid on, and off. Power it up by placing the included button cell batteries unde...