A good alternative to a mouth whistle for coaches, teachers, umpires & ref's, the ALLIANCE Squeezy Whistle allows you to squeeze the whistle to make a audible sound with one squeeze of the hand.  No running with a whistle in your mouth or having to share with someone else.

Safe & hygenic to use

Same sound as a regular whistle
    
Makes whistle sound when squeezed
    
Recommended for schools
    
Hand operated whistle