Rothco 3-1 Super Whistle with Compass & Thermometer

Rothco's 3-1 Military Style Survival Whistle is a must for your next hiking or camping trip. The multi-functional whistle features a compass and thermometer. 

• Liquid Filled Thermometer and Compass on Each side of the Compass
• Convenient Carry Lanyard Perfect for when on the Go
• Used by the U.S Military NSN 8465-01-518-6225