Durable Material:Durable aluminum body comes with key chain ring, Count on quality and safety. not easy to break, fade or corrode. Aluminum whistle is waterproof, rust-proof and can be used for a long time.
Wide Application: Emergency tool aluminium whistle is very suitable for coach whistle, whistle safety whistle for camping, hiking, hunting, fishing, boating any kind of outdoor activities, also for dog training.
Loud soud: the aluminum alloy outdoor survival whistle blows loudly, the sound is loud, and the transmission distance is long, can be heard from a long distance.
Portable to care: Length 4.6cm×Diameter 0. 8cm,the things are small and sturdy, can be hung on the keychain as an ornament, conveninent to use, suitable size for your use and storage.