Full size original "classic" Sonic whistle with finger grip
No moving parts to freeze, jam or deteriorate
115 Decibels of high pitch shrill rises above ambient noise-can be heard up to a mile away
100% constructed of high-impact ABS plastic-So they're 100% impervious to moisture
First Choice of; NFL, NCAA, NBA, CFL FIBA and FIFA
This is the one that changed the game! fox 40's first Peerless whistle. The finger grip is very comfortable and secure.