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.<br> 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.<br> Great for football referees, assistant referees, coaches, training institutions, and amateur referees, this set caters to anyone involved in officiating or organizing sports event.<br> 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.<br> 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.<br> Specifications: Materials: Plastic<br> Color: As The Picture Shows<br> Package Weight: approx.45g<br> Size: approx.17.5x11.8cm/6.88x4.64in<br> (More Size Detail, Please See Picture.)<br> Package Includes: 1 Set of Referee Card, Pen, Whistle and Score Book Set<br> note: Please allow 1-2cm error due to manual measurement. Please make surer you not mind before your bid.<br> Due to the differences between different monitors, the picture may not reflect the actual color to the item. Thanks!