1.UNMATCHED STRENGTH: Crafted with precision and crafted from high quality materials, this whistle for trainers features fine workmanship and polished edges. Its unsurpassed durability withstands the toughest environments and creates a clear and powerful sound to get the job done right. 2.CLEAR TONE The dual chamber design of this whistle allows for a quick tone, making it perfect for attracting attention. With its clear sound, it is easy to hear even from a distance. 3.HANDS FREE HANGING Our whistle for coaches includes a lanyard, allowing you to use it without having to hold anything. The soft materials do not irritate your neck and allow for comfortable, longlasting wear. Experience effortless coaching like never before. 4.EASY TO STORE With this whistle for trainers, you can use it easily without holding it in your mouth, which ensures improved communication and during coaching or training. Thanks to its lightweight and compact design, it is easy to take anywhere.