Acme Thunderer Official Referee Whistle x 1

Favoured by customers in colder settings where metal might stick to the skin; also chosen by officials in sports, teaching, animal training, police authorities, military units and music specialists.

Recommended for anyone who is short of breath, as a safety whistle for the young and elderly.

What is more this whistle has refereed F.A. & World Cup Finals! It's power and reliability is proven with sales of over 30 million worldwide.