Emergency Aluminum Alloy Survival Whistle, Double Tube Whistle for Outdoor Hiking Camping (2 pack);

Whistles are not just for emergency situation, it can be used for camping,fishing,hiking,traveling.
You can place this in any emergency kit. You can use it during earthquakes, landslides, if you get lost in the wilderness, if you find yourself floating at sea, etc.
You can use it scare animals, this is very useful when you worry that a dog might want to bite you.

Features : 

1.The whistle is made of aluminum alloy to ensure durability and longevity.

2.More louder, max voice is 150db. high-frequency whistle, loud sound can be heard for far distance. 

3.It's very light, compact size, easy to carry.

4.Waterproof, you can use it in any dust or rainy day.

5.You can hang it in backpack, it very fashionable, practical and portable.