Descriptions:
Our product can used in an extreme environment or in a state of emergency that you can use less effort to blow the whistle to call for help. Made of high-grade material, which is durable and uneasy to be scratched and oxidated. This survival signal whistle, great for outdoor sporting events, camping, hiking, boating etc.

Features:
1. Made of high-grade material, which is durable and uneasy to be scratched and oxidated.
2. With great airflow design, it can easy to whistle and make a loud, clear sound.
3. Lightweight, with a keychain that is convenient to carry.
4. Double hole design, great loud sound, to spread further. 
5. Suitable for outdoor survival, self-protection, life-saving and collect.

Specifications:
Material: Stainless Steel
Color: Black, Grey, Multi-colors (Optional)
Size without Keychain: approx. 56 * 18 * 8.5mm / 2.2 * 0.7 * 0.3inch
Package Weight: approx. 25g
Quantity: 1pc

Package Included:
1 x whistle