Ktrio Stainless Steel Coach Whistle with Lanyard, Sports Referee Whistles for School Sports, Emergency, Competition, Training 1.78 x 0.5 x 0.79 inch, 3 Pack, Silver Material: stainless steel referee, coach whistle, durable & permanent; smooth surface, comfortable touch Convenient & portable: Comes with a black lanyard, easy to carry, or only wear it around your neck Special Feature: Adjusting the length of lanyard by a small flexible bead; cork pea makes it easy to blow a loud […]

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