SumacLife Running Sports Armband Case Pouch for LG G2 / LG Optimus L9 (Black) 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. Keeps device dry while being active with sweat proof feature. Compatible with:4-5 inch smartphones