Aluminium Extra Loud Emergency Survival Whistle Keychain

These whistles are crafted of sturdy but lightweight aluminum. The lightweight design makes them comfortable to wear around your neck or attach to your gear without bulky feeling. Whistles could make a loud bright sound which could be heard far away, available for a variety of emergency situations. These whistles are perfect for outdoor activities like climbing, walking, camping, swimming, hiking, hunting and so on. 1.85" L x 0.35" W.