Features: The referee card set is a comprehensive set designed to meet all referee needs, features redness and yellow card, notebook, pen and metal whistle, ensuring you are full equipped for sports event. Craft with high visibility color and quality materials, this set ensures easy recognition and long timing use, adhering to professional competition standard for wonderful performances. Great for football referees, assistant referees, coaches, training institutions, and amateur referees, this set caters to anyone involved in officiating or organizing sports event. Perfect for professional football competition, youth leagues, school activity, and community sports event, the set provide essential tool for maintaining order and fairness on sports. Equipment for coaches and referees, used in football or soccer, handball, hockey, table tennis, badminton competition, suspend, start and show redness and yellow card to player. 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.) Package Includes: 1 Set of Referee Card, Pen, Whistle and Score Book Set note: Please allow 1-2cm error due to manual measurement. Please make surer you not mind before your bid. Due to the differences between different monitors, the picture may not reflect the actual color to the item. Thanks!