3 Pack Survival Whistle with Keychain, Emergency Whistle, Referee Whistle, High Decibel Aluminum Signal Whistles for Rescue, Travel, Sports, Pet Training, Camping [Get Help Quickly] - Our emergency whistle is designed with unique double tubes, a super loud and high-pitched whistle is designed to alert everyone in the area and let them know that you are in distress and need help. [Metal Whistle] - Durable aluminum body comes with a keychain, trust the quality and safety. Our survival whistle offers advantages such as lightness, durability, rust resistance, and water resistance, compared to traditional plastic whistles. [Multiple Uses] - Whether you are fishing, camping, boating, or hiking, this emergency survival whistle will be your safety companion in any emergency, as well as for referees, lifeguards, dog training, etc. [Weatherproof Camping Whistle] - It can be used in any environment, in any weather, rainy or humid days, with excellent airflow design, which is important for outdoor survival or in an emergency. [Package Includes] - You will receive 3 emergency whistles in silver, gold, and black, along with our friendly customer service. Your safety gear is not complete without this compact, high-frequency metal whistle.