Flat field markers, lane marking mats - Practical, providing good foot support. - For use on indoor or outdoor courts. Once set up, they won't slip on the floor. .- Perfect for marking out a smaller playing field. They don't move when they make contact with the ball. - Made of durable rubber. - The set includes 10 pieces in one color. - Sets available in the following colors: red, yellow, blue, white. - Length of one belt: 51cm, width: 5cm;Flat field markers, lane marking mats - Practical, providing good foot support. - For use on indoor or outdoor courts. Once set up, they won't slip on the floor. - Perfect for marking out a smaller playing field. They don't shift when they make contact with the ball. - Made of durable rubber. - The set includes 10 pieces in one color. - Sets available in the following colors: red, yellow, blue, white. - Length of one belt: 51cm, width: 5cm