Aluminum Alloy Referee Sport Whistle 4 Styles Football Basketball Whistle Training School Soccer

Label:Yes Material:Aluminum alloy material plastic core Whistle size: 68.5*14mm/2.7*0.55in Brand new with high quality Whistle Color:Silver Quantity:1pc Tip: Use three sharp bursts to indicate a call for help. Use two bursts to answer a call Package Include: 1pc Metal 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.