Plastic - Possibly the biggest selling whistle of all time, easy to blow, small, high pitch 117dBA and loud. 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.
 
Nickel Plated - Hand Polished. Solid Brass. High Power, Medium Pitch 114dBA. Medium size with tapered mouthpiece. Medium Thunderer.