A. The referee card set is a comprehensive set designed to meet all referee needs, featuring red and yellow cards, a notebook, a pen and a metal whistle, ensuring you are fully equipped for sports events. B. Crafted with high visibility colors and quality materials, this set ensures easy recognition and long-term use, adhering to professional competition standards for good performances. C. Great for football referees, assistant referees, coaches, training institutions, and amateur referees, this set caters to anyone involved in officiating or organizing sports events. D. Perfect for professional football competitions, youth leagues, school activities, and community sports events, the set provides essential tools for maintaining order and fairness in sports. E. Equipment for coaches and referees, used in football or soccer, handball, hockey, table tennis, badminton competitions, to suspend, start and show red and yellow cards to players. F. Specifications: Materials: Plastic; Color: As The Picture Shows; Package Weight: approx.45g; Size: approx.17.5x11.8cm/6.88x4.64in (More Size Detail, Please See Picture.) G. Package Includes: 1 Set of Referee Card, Pen, Whistle and Score Book Set H. Note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before your bid. Due to the differences between different monitors, the picture may not reflect the actual color of the item. Thanks!