The Fox 40 Sonik Blast CMG Marine Whistle with Breakaway Lanyard. The Fox 40 Sonik Blast CMG Marine Whistle with Breakaway Lanyard with a sporty new multi-colored design, it emits a louder pitch without any effort, standing out among the crowd. This whistle is a must is cases of emergency protection, onsite disaster management and search and rescue! It's extremely safe, works wet or dry, very functional and may just safe your life or that of others. The Fox 40 Sonik Blast CMG Marine Whistle with Breakaway Lanyard has a 2-chamber, 4 resonators, pea-Less design, with 120dB emitting a distinct louder pitch without much effort. The exceptionally clear, loud blast can be heard over long distances and loud noises of the environment. The Cushioned Mouth Grip (CMG) is excellent for reliably keeping the whistle in the mouth in wet conditions. It comes with a non-corrosive stainless steel split ring with a breakaway lanyard around your neck that releases with tension. Lanyard is 36" in length by 3/16". Whether you are using the Sonik Blast CMG Marine Whistle for safety or for sporting events this pea-less whistle with cushioned mouth grip is absolute wonderful.