Pack Sports Referee Whistles with Lanyard for Teachers, Plastic Emergency Whistles

Loud and Crisp: The sound of the whistle is loud, crisp and clear which can carry a long distance, you can attract attention quickly, and the sound will not hurt your ears when you blow the whistle. Upgraded Design: The whistles are equipped with an adjustable bead that can fix the length of the lanyard, which can prevent the whistle from being lost when you are exercising. Colorful Whistles: The package includes 7 pieces plastic whistles and 1 piece metal whistle, different kinds of colors can meet your different needs and using preferences, it is more economical. Free for Hands: Each whistle comes with a lanyard, you can hang the whistle easily around your neck or on the wall when you don't need to use it, it is more convenient for daily use. Widely Uses: These whistles are suitable for referees, coaches, instructors, sports, teachers, survival, emergencies, bird or dog training and so on.