Aluminum Emergency Survival Whistle

Each emergency whistle is equipped with a round key chain ring for attachment to a lanyard or keys, you can also attach it to your wallet and bags, portable design, convenient to carry with you everywhere, especially convenient for outdoor activities. These emergency survival whistle can make big and bright sound, which can be heard from a long distance, very useful for various emergency situations, allowing others to quickly confirm your location and get quick rescue, great tools for camping, hiking, hunting, mountain climbing, boating and other outdoor sports activities, also suitable for referees, coaches, lifeguards, dog training. 1 7/8" L x 3/8" W