Double Pipe Mini Whistle

Made of high-quality aluminium alloy material with the features of strong, anti-rust, durable and portable, has a long using life.
With great airflow design, the voice is clear and loud with long transmission distance. It is used for calling for help, gathering companions, surviving in the field and so on.
The double pipe whistle is designed to give you the best chance for survival in a disaster or life-threatening situation.
Has a hole design can be used with a lanyard and hung on tents, device, kettles, backpacks, and other accessories
Great for many outdoor activities, such as camping, hiking, cycling, hunting, travel, basketball, training, outdoor sports training, etc.
It's also used for communication with the companion in remote areas, calling for help in the emergency, or EDC collections.

Material: Aluminum alloy
Color: Black, Silver
Technology: Abrasive blasting
Size: 40x18x10mm
Weight: 8g