SHUBEIEUMI 2 Pack Stainless Steel Whistle, Sports Whistle with Lanyard, Loud Crisp Sound Whistles, Referee Whistle for Outdoor Activities, Referees, Coaches, Lifeguards, Soccer, Emergency

Loud and Clear Sound: The sound is loud and crisp, you can quickly capture crowded attention whenever you want. Depending on how you blow the whistle, the volume changes and attracts attention. Stainless Steel Whistle: High quality and food safety stainless steel. safe, durable and sturdy to use.Metal whistles are not as prone to cracking as plastic whistles. Whistle size: 4.5 x 2cm，Lightweight and convenient, easy to carry. so it fits perfectly in any hand, whether small or large. Free your hands: 41cm Lanyard. the metal whistle comes with a detachable lanyard that can be conveniently hung around your neck. Widely used: Suitable for referees, coaches, trainers, instructors, sports, lifeguards, teachers, self-defense, survival, emergency, herding, bird or dog training, etc.