【Loud Sound】The whistles for adults with lanyards are loud and crisp, you can use them effectively. The sound is loud and crisp, you can quickly attract the crowd's attention at any time, and it requires less breath than traditional beanless whistles.

【Free Your Hands】Each backpack metal whistle comes with a black lanyard, you can easily hang it around your neck or hang it on the wall, helping you free your hands. Find the most comfortable setting and lock it for easy carrying and storage, which is very convenient for your use.

【Package Included】You will receive 2 coach whistles with lanyards, colorful design, exquisite and unique, size is about 1.8 x 0.7 x 0.8 inches, the lanyard is about 17 inches long, you can carry it around your neck, meet your various use needs.

【Not Easy to Rust or Corrode】These whistles for teachers are made of high-quality stainless steel material, corrosion-resistant, not easy to rust, and more durable than others. The black lanyard is made of high-quality nylon, not easy to break, and can be used hands-free.

【Wide Range of Uses】These color emergency whistles can be used for a variety of purposes, very suitable for referees, coaches, trainers, teachers, etc. Whistles come in handy for coaches, referees, linesmen, and officials, as well as lifeguards, animal trainers, and traffic police.