this review title is: compatible well soft as expected and the content is: these toothbrush heads fit the sonicare essence series well the shape of toothbrush head looks the same as the philips one that i am currently using it is soft for cleaning teeth i got of them in one pack that cost less money than other.there are other information for this review, one is this reviewer did purchase it and the other is 3 people think this review is helpful.