The Champion Sports Poly Base Markers are a versatile and durable set of markers perfect for a variety of drills and games. These 12" square markers are made of non-skid vinyl that won't tear or rip, making them ideal for setting up training stations in gym class or teaching court positioning without the risk of injury or obstruction. With six markers in red, orange, yellow, green, blue, and purple, you can easily differentiate between different stations or teams.