Elevate your referee game with the Pertersham SA Flag Col 23mm Ring & Referee Whistle set. The set includes a vibrant flag for signaling and a durable whistle for clear communication on the field. Whether you're officiating a soccer match, a rugby game, or any other sporting event, this set has got you covered. The 23mm ring ensures easy attachment to your gear, keeping your essentials close at hand. Stay prepared and professional with this essential set for referees and sports enthusiasts alike.