These floor markers stay on strong but can be removed easily and used again and again. The carpet markers attach firmly to your carpet—no slipping. They can be removed easily without causing damage. Not recommended for shag or other high-pile carpet. 4" diameter. 2 each of 6 colors; 12 per pack.
Teacher Created Resources is an educational publishing company founded by Mary Dupuy Smith, a classroom teacher. All of their products are "created by teachers for teachers and parents."