Made of stretch resistant neoprene; This Armband case easily bends, flexes, twists, and folds without warping Enjoy the full use of your phone through the protective screen cover on the armband with fully touch compatible, easily answer calls, manage your playlist, or activate your stopwatch without removing the phone Built-in Hidden Key Holder, Perfect For House/Car Keys; Comfort-grip keeps the band firmly on your arm during workouts and running; Headphone and charger cutouts allow direct access to the phone through the armband Fit Almost Any Arm Size Up To 14" Water resistant design protects against water and sweat