ACME BLACK WHISTLER THUNDERER 660

Recommended for children, the elderly or anyone with respiratory problems.
It is preferred in colder environments where the metal can stick to the skin. It is also chosen by officials in sports, teaching, animal training, police authorities, military units and music specialists.
Ideal for lifeguards.
It is the whistle that has been used the most in Championship and World Cup finals. Reliable and strong with sales of over 30,000,000 units.