QUANTALY Whistle Emergency Whistle Disaster Prevention Rescue Lightweight Coach Referee

• [Product specifications] Set of 7 pieces.Color: green, black, red, orange, gray, yellow, blue. • [Material] Made of plastic material, durable and not easy to fade. • [Convenient to use] All whistles come with a strap, making them convenient to carry and hard to lose, and you can use them anytime and anywhere as long as you hang them on your body. • [Clear Sound] Generates loud, clear and penetrating sound, canceling out the noise of crowds and surrounding interference. • [Wide range of applications] Suitable for schools, sports, coaches, emergency, referees, teachers, training, instructors, etc.

[Wide range of applications] Suitable for schools, sports, coaches, emergency, referees, teachers, training, instructors, etc.