Ideal for quickly attention in noisy environments and ensuring effective communication during sports and security scenarios. Rust and , and reliable, The smooth polished ensures a comfortable touch, making it superior to plastic alternatives. Convenient lanyard design: This whistle comes with a soft nylon lanyard, the length of which can be easily adjusted with bead. Perfect for hands-free operation during sports or other activities, or for quick access on your wrist. Wide range of uses: Great for a variety of sports such as football, basketball and volleyball, a must-have for coaches, referees and teachers. Also suitable for outdoor activities such as hiking and mountaineering, and purposes such as emergency signaling. Colour:As Shown Material:stainless steel Package Contents: 10 * Whistle Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.