Description: Louder Sound, double tubes, can provide high-decibel Sound. Enough to be heard from very far away in an emergency. Strong and Durable, aluminum alloy material ensures the whistle durable Good Environmental adaptability - The whistle has no built-in pea ,so it will not mold and breed bacteria because of the pea.You can use it in any dust or dirty water environment Convenient and practical, with kering, can tie on your backpack, belt, etc. Material: Aluminum alloy, Color: Random Color, Overall Length: Approx. 11cm/4.33inch, Width: Approx. 1.5cm/0.59inch, kering Diameter: Approx. 2.4cm/0.94inch Package Includes: 2 Piece Whistles Note: Since the size above is measured by hand, the size of the actual item could be slightly different from the size above. Due to the lighting effects, monitor settings, etc. There could be some slight difference in the color tone of the pictures and the actual item
