• Heads with extra hard and rounded bristles for effective cleaning of the tooth surface. • Flexible design made up of up to 90% recyclable materials that take care of your gums. • Includes integrated tongue cleaner to remove bacterial layers from the tongue. • High-quality Dupont bristles that remove up to 10 times more plaque than a manual toothbrush. • Extra soft, long, and flexible bristles for gentle cleaning. • Warning: Not recommended for children under 36 months due to choking hazard from small parts.