This set of two Metal Whistles with Lanyard give off a clear and distinct sound to over 120 decibels and could be a life-saver! In an emergency situation where you want to draw attention to yourself, this whistle will not disappoint with its loud and clear sound. They have high-quality metal bodies and an attached lanyard. The whistles are also great for referees, coaches, or when playing games at the park. They are convenient to keep in your purse, car, backpack, keychain, and kits for emergencies. They can be attached to a keychain or split ring.