On "Running Wild with Bear Grylls," the expert outdoorsman is always able to guide his celebrity guests to the extraction point, where a helicopter is waiting to whisk them away. But for those of us who don't have that luxury, make sure you are able to call for help with this Bear Grylls Whistle. The expert survivalist crafted the whistle with the help of Gerber and whistle designer Fox40 to give you the ability to be heard no matter where you are. Featuring an ear-piercing 120 decibels, the Bear Grylls Survival Whistle is your go-to signal for help. Designed with the help of Gerber and Fox40, a leader in whistle design, this tool comes with a smooth-touch rubber overmold for grip and easily attaches to packs, key chains, the included 17-inch break-away lanyard or can be carried away in your pocket. Features: Cushioned Mouth Grip (CMG) thermoplastic material offers grip and mouth protection Distinct, loud, crisp sound No moving parts to freeze, jam or deteriorate Will be heard above ambient noise, engines roaring, breaking waves, and gale-force winds Chambers of whistle are designed to self-clear when submerged in water