The Fox 40 Classic Whistle is the world's most trusted whistle, chosen by referees, coaches and safety professionals across all sports and rescue operations. Its revolutionary three-chamber pealess design delivers a powerful, consistent sound that cuts through any environment, from packed stadiums to howling winds.

Key Features:

• Three-chamber pealess design for flawless performance
• 115 dB sound power heard up to a mile away
• Easy to blow and cannot be overblown
• No moving parts to freeze, jam or deteriorate
• Cuts through ambient noise, crowds and extreme weather
• Reliable performance in all conditions
• Includes wrist lanyard for convenience
• Trusted by professionals worldwide