The Enclosure Markers are designed to be mounted to fences or to the inside of Indoor Schools with the use of screws. They can be simply wiped clean if they get dirty. The size of these markers is 250mm by 300mm. These are available in a pack of 8 (for a 20m x 40m Arena) and 12 (for a 20m x 60m Arena). For the Coloured enclosure markers, a set of 8 would be made up of a Red, Blue, Orange, Gold, Yellow, Green, Black and a White marker. Please select your choice of set.