12x Oral-B iO Series Gentle Care Electric Toothbrush Replacement 24 Brush Heads 12 packages with 2 heads in each Total of 24 heads ? GENTLE BUT EFFECTIVE CLEANING FOR SENSITIVE GUMS: Perfectly angled electric toothbrush heads to remove up to 100% more plaque vs. a regular manual toothbrush. With extra soft bristles for a gentle, but effective clean. ? PROFESSIONALLY INSPIRED DESIGN: Oral-B iO's round toothbrush head is inspired by dental professional tools for a tooth-by-tooth clean, with specially engineered bristles for optimal tooth coverage. ? COLOR-CHANGING BRISTLES: Color-Changing Bristles change colors to signal when to change your electric toothbrush replacement brush heads to maximize your clean ? TRUSTED BY DENTISTS: Oral-B is the #1 Dentist Recommended Toothbrush Brand Worldwide. ? COMPATIBILITY: Pack includes 2 Genuine Oral-B iO Gentle Care replacement toothbrush heads, compatible with the Oral-B iO Series rechargeable toothbrush handles, and not compatible with Oral-B Pro, Smart, and Genius electric toothbrush handles. (description exceeds maximum possible length)