Spot On® Carpet Markers help students quickly identify where to sit or stand. These floor markers stay on strong but can be removed easily and used again and again. The write-on/wipe-off surface is perfect for writing student names or numbers. The carpet markers attach firmly to your carpet—no slipping. They can be removed easily without causing damage. Measures 4" diameter. 2 each of 6 colors; 12 per pack.