Whistle for Coaches, Metal Whistles for Adults with Lanyard, Loud Sport Whistle About this items Coach Referee Whistle: Traditional "6" molded shape and precision laser welding will make high pitch sound with enough air for the whistling mechanism. please contact us if you have any questions Reliable Quality: Top stainless steel material and great electroplate technique resist rust, corrosion, discoloration, and insure long-time color retention Whistles with Lanyard: 19" black breakaway lanyard designed to hang around neck or wear it on the wrist for hand free. You can adjust the yellow bead until the right length is reached Loud Sound Whistle: The pea cork is soft and flexible enough to whirl in the whistle, and will not be stuck. The sound is loud and clear. Easily up to 120+dB WideApplication : Portable size comes in packs at your choice. Ideal for coaches and referees when back to school, kids, teachers, police, self defense, or emergency whistle to get one's attention