A durable aluminum body comes with a keychain ring. Count on quality and safety. Not only suitable for emergency situations in camping, hiking, boating, and other outdoor activities, but also as a referee, coach, lifeguard, pet dog trainer, school sports, competition, etc. Length: 4.7 cm; diameter: 0.9 cm; it's mini and light, but very loud and can be heard from a far distance. It does not contain pea balls made from cork to avoid unsuitable use after they go moldy and freeze.
