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
Features:

Widely use:
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.

Portable to use:
The things are small and sturdy, can be hung on the keychain as an ornament, conveninent to use, suitable size for your use and store.

Specifications:
Material: aluminum alloy
Color: as shown in the pictures
Size: as shown in the pictures

Package contents
12 x Whistles

Notes:
Since the size above is measured by hand, the size of the actual item you received could be slight different from the size above.
Due to the different monitor and light effect, the actual color may be a little different from the picture's.