this review title is: acceptable quality but definitely not extra soft bristles and the content is: there is really only two things that matter when it comes to toothbrush heads ok but a bit loose and this will wear out quality of the bristles ok but these bristles are absolutely not extra soft they do not even rate as soft soas long as you are not looking for soft bristles these are fine and a terrific price.there are other information for this review, one is this reviewer did purchase it and the other is 0 people think this review is helpful.