Survival Soccer Training School Hockey Rugby Whistle Referee Whistle Metal Whistle Referee Sport

Label:Yes Tip: Use three sharp bursts to indicate a call for help. Use two bursts to answer a call Whistle size: 4.6*1.8*2.1cm Package Include:1pc Whistle Quantity:1pcs Rope length: About 42cm 100% new with high quality Material:Black(stainless steel) Yellow(iron) Whistle Color:Silver

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.