Our Armband Is Made Of The Highest Quality Soft Neoprene That Is Made To Flex, Twist, And Bend But Not Stretch Out Of Shape. It Can Stand Up To The Toughest Of Workouts And Marathons. Our Armband Offers Full Screen Coverage Yet You Will Retain Full Touch Screen Functionality, Along With Full Headphone Jack Support For Apple And Android .Our Armband Includes A Reflective Strip For Safe Running In Low Light Conditions.Never Worry About Having To Carry Your Keys In Your Pocket Or Losing Them At The Gym.