elected materials: selected stainless steel material manufacturing, high hardness, good strength, not easy to rust, not easy to damage, strong and durable.
High decibel burst whistle sound: double pipe whistle tube design, balanced, high audio, light blowing easy to ring, decibel can instantly up to 150 decibels, the volume is comparable to BMW car horn sound.
Stable willow nail: the willow nail is here not only to fix the role, but also to decorate to make the whole beautiful and generous.
Easy to carry: it can be looped into a key ring and the whistle is compact and lightweight, making it hassle-free to carry.
Seamless steel whistle tube: the sound chamber is not afraid of dirt and water, so it can be used even in harsh environments to perform its popping function.
Specifications：
Colour: black, gold , silver
Size: 58mm*18mm/2.2 *0.8 inch
Weight: 24g
Material: stainless steel
Packaging: 3 x Survival Life Saving Whistles * 3 x Keychains
Warm tips:
1) Please allow for slight size differences due to manual measurement differences.
2）Due to different lighting and monitors, the colour of the item may be slightly different from the picture.