The 6B1304 Universal Obstacle Course Markers can serve as a game corner flag for club play. They can also be used in training for slalom course drills. The 6B1304 Universal Obstacle Course Markers stand 60” H and have a 1/2” round flexible pole. The yellow hollow base, when filled with sand, helps make this flag all-surface friendly. The 6B1304 Universal Obstacle Course Markers are red.