Lifeunion Five Ultra Bright Led Light Power Cap Hat Flashlight Head Lamp for Fishing Hunting Running (Black) Cotton Material Imported 100% Brand new and high quality Cotton Material,durable and comfortable. Five ultra bright LED lights,perfect for fishing running,walking at night. One Size Fits All, easily adjustable sturdy velcro adjustable back strap. Batteries provide up to 72 hours of life and are easily replaced and readily available (CR2032 coin One-click power button for easy on/off operation.