1 7/8 " Aluminum Alloy Safety Whistle with Key Ring

This emergency whistle is made of aluminum alloy and metal keychain, durable, non-toxic, and not easy to break, fade, or corrode. It is small, but the sound is loud and can be heard from a long distance. When you travel outdoors, it helps to confirm your location, avoid getting lost, and find companions. It is not only suitable for emergency situations in outdoor activities such as camping, hiking, boating, but also for referees, coaches, lifeguards, pet dog training, school sports, competitions, etc. Welcome to customize the imprint.