Make of hard Aluminum alloy , it has excellent durability and can withstand long-term and frequent use. Accurate designs ensures accurate delineation and assists referees in making fair decisions. The compact and designs makes it easy to carry and store, and can be used any times, . Equipped with clear markings and symbol, easy to recognize and recognize, ensuring correct resolution. Referees suitable for in football matchs, helping to perform accurate and fair throwing operations.