Features:

1. Tri-band Loud and Clear: This tri-band outdoor survival whistle delivers a strong, more discernible, various blowing methods can produce different sounds. high-pitched sound for optimal emergency signaling during hiking, camping and boating trips.

2. Reliable and Durable:ABS plastic construction ensures strong durability and complete waterproof moisture resistance. This whistle is built to withstand extreme conditions and can last long without losing its effectiveness.

3. Versatile Use: Provides high-quality sound for both outdoor adventures and urgent situations. Perfect as a camping signal whistle, camping, hiking, backpacking, hunting, archery, fishing, swimming, any kind of outdoor activities, also for dog training.

4. Handy and Portable: Compact design makes it easy to carry around in your backpack or attach to your keychain, so you can access it easily in case of an emergency.

5.A Must-Have Safety Tool: This whistle is recognized as a critical safety device for any outdoor enthusiast, making it a perfect gift for family and friends who love hiking, camping, and outdoor activities.

Size: 70 * 28mm

Package includes: 1 Or 3 Or 5 Or 10 * whistle

Notes:
Transition: 1cm=10mm=0.39inch
Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.
Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!