Features:
▫This whistle is constructed from solid aluminum alloy ensuring strength and durability.
▫The color of the anodized surface is exquisite and beautiful, and it does not fade. Lightweight and portable, it comes with a keychain attachment for easy portability.
▫The double-tube design makes blowing easier and produces louder, clearer sound that can be heard from a distance. The whistle is waterproof and has no moving parts, making it suitable for all-weather use in any environment.
Specification:
Material: aluminum alloy
Color: silver, gold, blue
Size: 5.5*1.5cm/2.16*0.59inch
Weight: 40.5g/1.42oz
Package:
3 Pcs Frequency Survival Whistle