Zuofan 5 Pcs Emergency Survival Whistle,Double Tube Whistles,Silver Double Outdoor Whistle Camping Whistle,for Hiking Hunting Boating Sports Dog Training

Package contents: You will receive 5 whistles, the size is about 5.5cm*1cm, which can meet your daily use needs. Premium quality: The whistle is made of high-quality aluminum alloy material, which is durable, not easy to fade, and has a long service life. Moreover, its surface is smooth, not easy to stick dust, more practical than other materials. Waterproof and anti-rust. High decibel: This emergency whistle can provide up to 120 decibels, can be heard for far distances. The double tube metal whistle is extremely loud and easy to blow. A powerful high-pitched sound generator with dual-tone chambers, which can be used as a signal whistle very well. Powerful and reliable signal: Our survival whistles are designed for maximum effectiveness, producing a loud and penetrating sound that can be heard from a distance, ensuring you can signal for help or alert others during emergencies. Widely used: The whistle can be used not only for hiking, mountain climbing, boating, hunting, fishing, but also for dog training, school sports, coaching, etc.