Features: The referee card set is a comprehensive kit designed to meet the needs of referees, including a red card, yellow card, notebook, pen, and metal whistle, ensuring you are fully equipped for sports events. Crafted with high-visibility colors and quality materials, this set allows for easy recognition and long-lasting use, meeting professional competition standards for reliable performance. Ideal for football referees, assistant referees, coaches, training institutions, and amateur officials, this set is suitable for anyone involved in officiating or organizing sports activities. Perfect for professional football matches, youth leagues, school activities, and community sports events, the set provides essential tools for maintaining order and fairness on the field. Suitable for use in football (soccer), handball, hockey, table tennis, and badminton competitions, this equipment helps officials manage play, issue red and yellow cards, and control game flow. Specifications: Materials: Plastic Color: As shown in the picture Package Weight: Approximately 45g Size: Approximately 17.5 x 11.8 cm / 6.88 x 4.64 in (For additional size details, please refer to the image.) Package Includes: 1 Set of Referee Cards, Pen, Whistle, and Scorebook Note: Please allow 1–2 cm variation due to manual measurement. Ensure you are comfortable with this before purchasing. Due to differences in monitor displays, the image may not accurately reflect the actual color of the item. Thank you!