Description:

4 Pieces / set durable, strong and mini compact size survival whistle
Ultra-light and portable, easy to carry and use, and the sound is loud
With one paper in each whistle, can record personal information
Attached with a keychain, easy to take around
Fit camping, fishing, hiking, traveling, keychain or other outdoor activities
Helps a lot when contact with others in the wild, danger, accident

Specification:

Material: Aluminum alloy
Length: Approx. 3.03 inch/77 mm
Diameter: Approx. 0.43 inch/10.84 mm
Mouth Diameter: Approx. 0.31 inch/8 mm
Color: Grey, blue, orange and black

Package Includes:

4 Pieces / Set Survival Whistle

Note:

Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!