The POLISPORT PIT BOARD measures 60cm x 42.5cm, making it an ideal tool for communicating important information during races or track sessions. It's designed to be used exclusively with a whiteboard marker, allowing for easy updates and erasures. Note that the writing marker is not included with the product. The board's large size ensures that messages are clear and visible from a distance, which is crucial for timely communication. It's perfect for racing teams, track days, or any scenario where quick and clear communication is essential.