Materials: solid brass 

This solid Brass pocket or keychain whistle can be heard over a mile away. it is great for hiking and camping trip and can just be stored in a pocket or a chain around your neck for quick access in an emergency situation

☛ Our Brass hardware will really bring a sign of quality to your work or handcraft product !

☛ 100% premium solid brass with high quality thick plating , NOT common zinc alloy !

☛ No any oxidation, discoloration, or scratches on the brass !

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Size
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Length : 5.7cm / 2.25 inch

Diameter : 1cm/ 0.4 inch