Vargo Titanium Emergency Whistle T-416

Built using extra-strong titanium material, this safety whistle won't let you down in the case of an emergency. Because this whistle weighs just 1/10th of an ounce, it's a great addition to your pack and provides peace of mind if things go wrong. Includes a handy neck lanyard with reflective weave. Wt: 0.1 oz.