Viriber Stainless Steel Double Tubes Whistle High Decibel Outdoor Life-saving Emergency Whistle[Product Information]- Enter your model numberto make sure this fits.
- Stell Whistle is used in Life-saving in Emergency and in sports referee ，The max voice 150 db.
- Whistle has double tube and crisp sound， without pea ，not moldy， you can use it in any environment.
- Whistle made of Food Grade Stainless steel， Safty confirmed.
- In emergency or sports referee， the double tube design can get the same db ，you can save 30% energy than normal whistle.
- With hang buckles and chain belt， not easily lost.
