Avia Extreme Fitting Belt for iPhone Running Belt with a clear window

Avia Extreme Fitting Belt for iPhone Running Belt with a clear window to view your phone screen, allowing you to listen to music or track your workout while exercising. The belt is water and sweat resistant, and it is designed to fit a variety of waist sizes. It also has a key pocket to keep your keys safe. The screen measures 5" x 2.5" wide and does expand.