10 Inch Glow Stick Runway Markers can be used to mark the fairways, and hazards during night golf tournaments. In addition to being used as boundary markers, you can also use them as yardage markers for contests such as the longest drive. To activate your Glow Stick Runway Marker, just crack the Glow Stick all along its body, then shake it up. Dimensions: Length: 10″ Diameter: 0.71″ Glow Stick Color: Blue 10 Inch Glow Stick Runway Markers are sold in increments of 24, so when you purchase 1 you will receive 24 Glow Stick Runway Markers. When you purchase 2 you will receive 48 Glow Stick Markers and so on.