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 and wipe off surface is perfect for writing student names or numbers. The markers attach firmly to your carpet without slipping. They can be removed easily without causing damage.Details:Includes an assortment of bright colors4" (10.16 cm) diameter 12 circle floor markerswrite on/ wipe off surfaceStay on strong but can be removed easily Can be used again and again Not recommended for shag or other high-pile carpetIdeal to be used on low pile carpets