Restore the efficiency of your toothbrush with Oral-B iO Series Gentle Care replacement brush heads. Designed for Oral-B iO electric toothbrush handles, these brush heads feature high-density, extra-soft bristles that deliver an effective yet gentle clean. Optimized bristle patterns adapt to the curves of your teeth and gums, ensuring superior comfort with every brush. | Oral-B iO Series Gentle Care Replacement Brush Heads - 2 Pack - White