First FOX 40 invented the best whistle.
Then they made it more comfortable!

The Fox 40^® Classic^® CMG^® is cushioned to enhance the original Fox 40 Classic whistle
The Cushioned Mouth Grip (CMG)’s thermoplastic material provides superior grip and protection for teeth
Ideal for those who need to hold whistle in mouth for extended periods of time
No moving parts to freeze, jam or deteriorate
Flawless, consistent and reliable
The harder you blow, the louder the sound
Easy to blow and cannot be overblown
Chambers are designed to self-clear when submerged in water
Will be heard above ambient noise, loud crowds, the roar of engines, breaking waves and thundering gale-force winds
Sound will be heard up to a mile away
Lanyard not included