Professional Referee Substitution Sign, Two-Way (Case: 88×42x3 cm) Football, basketball, football etc. Indicates player substitution in sports. 3x88×42cm case size It is controlled by button. It has a charging time of 10 hours. It has a waterproof feature. Strong polycarbonate case 9 players can record substitutions. It is made for professional and amateur leagues. Assistance is provided for special designs. PRODUCT PREPARATION TIME IS 1 MONTH. 

All products can be personalized in the language of your choice. Just send us a message with the details. Manufacturing is made to order. Manufacturing process takes 5-7 working days. Returns are not accepted for personalized products.