The Colgate Total Battery Replacement Toothbrush Heads Pack includes two replaceable toothbrush heads for your Colgate Total Battery Powered Electric Toothbrush. These battery toothbrush heads help fight the root cause* of cavities, plaque, gingivitis, bad breath, tartar buildup**, and stains***. The Colgate Total Battery Replacement Toothbrush Heads feature high density tapered Floss-Tip (1) bristles that reach deeper (2) along the gumline and between teeth to remove bacteria. These Floss-Tip (1) bristles also double as high density bristles for rapid foaming to clean hard to reach spaces. To replace the head of your Colgate battery operated toothbrush, gently pull the toothbrush head from the handle and press the new white toothbrush head into place. Always have extra power toothbrush replacement heads available with the Colgate Total Battery Replacement Toothbrush Heads Pack. *caused by bacteria **fights tartar buildup by removing plaque ***by removing surface stains (1) does not replace flossing (2) vs. regular bristles