Whiten up your teeth with these Charcoal Infused Oral B Compatible Toothbrush Heads 8 pack of replacement heads for oscillating electric toothbrushes Gentle and effective while cleaning teeth and around gums Infused with bamboo charcoal to eliminate more toxins and bacteria Soft, round bristle tips that clean hard-to-reach areas Helps to prevent plaque buildup and remove discoloration Colour-coded to help identify the user of each brush head Brush heads should be replaced after 3 months of use Dimensions: 2.75” (L) x 0.5” (D) For list of compatible brush list see Full Details Items non returnable once opened Note: the items are not manufactured by nor endorsed by Oral-B Smile with these Charcoal Infused Oral B Compatible Toothbrush Heads for 12.99 pounds