FOX 40 Safety Whistle (8 Colors)The whistle of choice for professional sports and Olympic competitions. It has a patented 3 chamber design and no "pea" to stick and impede sound. The harder you blow, the louder the sound.

• FOX 40 Safety Whistle (8 Colors)
• The whistle of choice for professional sports and Olympic competitions. It has a patented 3 chamber design and no "pea" to stick and impede sound. The harder you blow, the louder the sound.