- Fox 40 CMG whistle on a metal loop that keeps your hands free to handle the ball
- "Cushioned Mouth Grip" for safety and comfort
- Patented three-chamber design for faultless performance every time
- Cuts through crowd noise and travels a long distance
- Patented, pea-less design for loud, shrill penetrating power
- Crisp, sharp sound at 115 decibels