<p>Wide Applications: Suitable for referees, coaches, instructors, sports, rescue guards, teachers, self-defense, survival, emergencies, picking, bird or dog training, etc.< /p> <p>Premium Quality: Food grade stainless steel, safe, durable and sturdy to use, much better than plastic.</p> <p>Powerful and Powerful: The sound is loud and crisp, you can quickly attract attention at any time.</p> <p>Free your hands: Each whistle comes with a black lanyard, you can easily hang it around your neck or on a wall hanger, helping you free your hands.</ p> <p>Package content: the package includes 5 stainless steel whistles and 5 yellow lanyards, much better for everyone to use at any time, and you can send different men you like.</p> <p>Note : The data is manual measurement, please allow 1-3cm error, due to differences between light and screen, there will be a certain color difference, the specific received in kind prevail.< /p>