SumacLife Workout Gym Armband Case Pouch for Nokia Lumia Series Smartphones Windows Phone (Black) This durable, lightweight armband case keeps your Phone secure and protected. Full screen protector allows full touch screen functionality Provide excellent protection during sport, such as running, biking, jogging, walking, working out etc. Adjustable Touch fastener arm strap. Arm strap dimensions: 11' - 16' in. Washable, durable, and lightweight