Reliable material: made of aluminum alloy, the whistles are not easy to fade, can serve you for a long time
Portable to care: 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
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
Wide applications: when traveling outdoors, it can confirm your location, avoid getting lost, find a companion, and provide assistance, can be applied in emergencies, referees, training, sports and so on
Nice gifts: it can be nice gifts for friends who want to travel, or people who need attention to ask for help in an emergency, and there are 12 pieces of whistle in the package, enough for your different use
