School Referee Sport Rugby Cheerleaders Cheerleading Tool Metal Whistle Stainless Steel Whistles

Label:Yes Tip: Use three sharp bursts to indicate a call for help. Use two bursts to answer a call Rope color:Black/Yellow Whistle Color:Silver Quantity:1/2/5pcs Material:Stainless steel 100% new with high quality Whistle size: 4.6*1.8*2.1cm Rope length: About 42cm Package Include: 1pc or 2pcs or 5pcs Whistle Notice: 1.Transition: 1cm=10mm=0.39inch. 2.Please allow 1-2cm error due to manual measurement and make sure you do not mind before ordering. 3.Please understand that colors may exist chromatic aberration as the different placement of pictures.