Light-Up Running Belt With Reflective Strip Holds Keys, Phone and Valuables While Keeping You Visible & Safe LED Lights for Safety: Feel more secure on early morning or late evening runs with bright LED lights that ensure drivers can see you. Reflective strip wraps all the way around for additional visibility in any conditions. Roomy Pocket: Keep all your necessities secure with a pouch that's large enough to handle your phone, keys, money and more. Plus, it won't bounce and jostle like a traditional fanny pack. Fully Adjustable: Comfortably fits waist sizes from 23 to 40 inches. Clever buckle adjustment combined with a slightly stretchy material ensures a perfect fit for most people. Long-Lasting Batteries Are Included: Uses two CR2032 batteries. Get a full 50 to 80 hours of run time between changes. Lots of Uses: Perfect for long-distance runners, hikers, dog walkers, cyclists, children  anyone who needs a hands-free solution for storing valuables.