Double Tubes Whistle Good Corrosion Resistance Light In Weight High Strength
- This emergency whistle can provide 120DB sound, which can be heard for far distance, more convenient to use.
- Suitable for survival and self‑defense in outdoor camping, hiking, mountaineering and other sports, also great for sports tarining.
- It is survival supplies in harsh environments, to ensure that you can use less force to emit a soud volume compared to ordinary whistles in an emergency.
- Light in weight and easy to carry, the whistle can be buckled on the backpack and keychain.
- Made of titanium alloy, it has high strength, good corrosion resistance, high heat resistance and long service life.
