Double Tubes High Decibel,Louder Sound</br> This whistle is designed for outdoor activity,camping,fishing,hiking,traveling</br> Features : </br> Key ring for attaching to a lanyard or keys; </br> Loud sound can be heard far distance; </br> Looks like small item, but potentially important one; </br> This Emergency Whistle & Keychain could be a life-saver; </br> A Very Nice Aluminum Emergency Survival Whistle Key Chain;</br> Package include : </br> 2 X Whistles with keyring 2 X Lanyard 2 X Color-sorted Carabiner Keychain