Super Loud: Anzerbao double-tube whistle is extremely loud and easy to blow. Sound power provides up to 120 decibels, enough to be heard at long distance.
Easy to Carry: only 13g, emergency whistle's keychain design is perfect for use with house keys, car keys and can be tied to backpack.
Premium Quality: Aluminum Alloy Material, strong and durable. In emergent moment,It could be a life-saver;
Multipurpose: Emergency survival whistle is suitable for outdoor activities such as hiking, fishing, camping, boating, hunting and also for lifeguards, pet dog training, etc
Material: Aluminum Alloy Material ,Premium Quality,strong and durable.