Build & Fitness Classic Running Belt for Men and Women. Sizes XS - XL to fit waist sizes from 23" - 44". One continuous inner tube for quick and easy access to your items large and small. Simply slide your phone and other items into any of the 4 opening slots. Ensure the belt fit is snug to your body. Internal key clip on a bright yellow elastic strap for high visibility in low light situations. Suitable for Running, Fitness, Gym Workouts, Walking, Jogging, Cycling, Climbing, Travel, Yoga and Outdoor Activities.