Tip of Spear branded whistle with break-away lanyard. Fox40 are the leading pealess whistles in the world.
 
Features include:
The Fox 40® Classic® is the standard choice referees and coaches at all levels, rescue professionals and general safety worldwide
Flawless, consistent and reliable
Easy to blow and cannot be overblown
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
The louder you blow, the louder the sound
3, self-clearing chambers (when submerged in water)
No moving parts to freeze, jam or deteriorate