Wisdom Clean Between Interdental Brushes Medium are designed with super fine ended bristles for superior interdental cleaning. The soft rubber tips and wire free design provides extra gentle cleaning. Wisdom Clean Between Interdental Brushes Medium are designed with super fine ended bristles for superior interdental cleaning. The expertly designed soft rubber tips and wire free body pr extra gentle cleaning and an easier grip. Expert design for better oral care20 brushes pack Soft rubber tips Wire free design Easy to use Gentle cleaning