LONG DESCRIPTION:Emergency Survival Whistle - Titanium whistle with loud and crisp sound Maximum sound intensity of 120 decibelsthat can easy to attract people's attention In certain risky situations. Titanium Whistle - This whistle is made of Titanium alloy,which is resistant to corrosion,lightweight,sturdy and durable. Easy to Carry - This whistle has a small and portable body, can be worn around your neck on the lanyard,attached to your keys or backpack.Size: 2.28''x 0.39''(58mm x 10mm),weight:0.35oz(10g). Wide Use - It is a useful whistle,you can carry it when camping,hiking,hunting,fishing,boating and other kinds of outdoor activities.Also is a signal whistle for coaches,referees,linesmen and animal trainers. Useful Whistle - This defense whistle suit for women,men and kids. This titanium whistle is made of Titanium alloy,with loud and crisp sound Maximum 120 decibelsthat can easy to attract people's attention In any situations.Emergency Survival Whistle - Titanium whistle with loud and crisp sound Maximum sound intensity of 120 decibelsthat can easy to attract people's attention In certain risky situations. Titanium Whistle - This whistle is made of Titanium alloy,which is resistant to corrosion,lightweight,sturdy and durable. Easy to Carry - This whistle has a small and portable body, can be worn around your neck on the lanyard,attached to your keys or backpack.Size: 2.28''x 0.39''(58mm x 10mm),weight:0.35oz(10g). Wide Use - It is a useful whistle,you can carry it when camping,hiking,hunting,fishing,boating and other kinds of outdoor activities.Also is a signal whistle for coaches,referees,linesmen and animal trainers. Useful Whistle - This defense whistle suit for women,men and kids. This titanium whistle is made of Titanium alloy,with loud and crisp sound Maximum 120 decibelsthat can easy to attract people's attention In any situations..