Vanishing spray
MARKING SUBSTANCE IN SPORTS, TYPICALLY USED ON THE PLAYING GROUND, IN ORDER TO PROVIDE A TEMPORARY VISUAL MARKER
Vanishing Spray; Vanishing foam
Vanishing spray, also known as vanishing foam, is a substance applied to an association football pitch in order to provide a temporary visual marker. It is most often used by the referee to indicate the minimum distance that the defending team may position themselves from the ball during a direct free kick, as well as to indicate the spot from where the kick is taken.