Package Include: It contains 1pc whistle emergency with lanyard. The emergency whistle size is 1.7 inches*0.7 inches*0.4 inches and the whistle lanyard is about 15.3 inches, which is easy to carry

Loud and Clear: Our whistles for adults contain peas that vibrate at a high frequency to produce a louder sound, reaching 120dB in a short period of time and requiring less breathing than traditional whistles. The whistle has a bold, crisp sound that can attract attention in noisy environments quickly

High Quality Material: The referee whistle is made of high quality solid stainless steel. Compared with the general plastic whistles, coach whistle is not easy to rust and corrode, safe to use. No matter how you use them, you don't have to worry about them breaking

With Black Lanyard: Our whistle for teachers comes with a detachable black lanyard. The hanging lanyard is made of soft nylon material, you can hang the stainless steel whistles around your neck, making it easy to carry and use, relaxing up your hands

Wide Application: The loud whistle can be used for various competition training, emergency situations, pet training, directing traffic, football, basketball, volleyball. Whistles for coaches can also be used for coaches, referees, teachers, police officers, lifeguards and so on