Survival Whistle: Super Loud Emergency Distress Whistle for Camping, Hiking, etc. 
 
An extra loud whistle that can be carried at all times in the event  that you might need to get help
 
This whistle is ideal because it will carry further than your voice
 
It is made of durable plastic and comes with a short chain to attach to your keyring or backpack.
 
Ideal for hiking, camping and cycling