Calling all soccer referees and aspiring officials - this Blulu referee set has everything you need to manage games like a pro! The kit includes two sets of red and yellow cards (11x7cm/4.3x2.75in) made from durable PVC that bends easily without breaking. You also get two stainless steel metal whistles with adjustable nylon lanyards that produce loud, clear sounds players can hear across the field. The referee card wallets measure 8.3x12cm when folded and contain game score plan papers and pencils for tracking the action. The whole setup is lightweight and designed to fit comfortably in your pocket while you're running the field. The cards are easy to access quickly when you need to make a call, and the whistles are built to last through many seasons. Whether you're officiating youth games, adult leagues, or just need proper equipment for training, this complete set delivers professional quality at an affordable price. It's perfect for coaches, referees, or anyone involved in soccer who needs reliable, easy-to-use officiating tools that won't let them down during crucial moments!