FOX40 Sonik Blast CMG Official Whistle with String 9200 Properties: The FOX40 Sonik Blast CMG Official Whistle with Lanyard is a professional whistle with an exceptionally loud, clear, and crisp sound, 120dB, ideal for sports referees and anyone who needs to hold the whistle in their mouth for extended periods. Featuring a thermoplastic Cushioned Mouth Grip (CMG) material, this whistle provides excellent grip and protects teeth. Key Features: Loud and Clear Sound: This whistle delivers an intensely clear sound that can be heard above ambient noise, loud crowds, roaring engines, choppy waves, and thunderous storm winds. CMG Material: Thermoplastic Cushioned Mouth Grip provides comfort, excellent grip, and protects teeth, ideal for those who need to hold the whistle in their mouth for extended periods. No Moving Parts: The design with no moving parts eliminates the risk of freezing, jamming, or damage. Easy to produce a powerful sound: The harder you blow, the louder the sound, making it the most effective whistle in its class. Self-cleaning chambers: The whistle chambers are designed to self-clean after being submerged in water. Reliable: The whistle is flawless, consistent, and reliable, delivering a sound that can be heard from up to a mile away. The FOX40 Sonik Blast CMG Official Whistle with Lanyard is an indispensable tool for sports officials and lifeguards, offering reliability, comfort, and exceptional loudness.