For many years, you could only purchase "soft" and we are proud to bring back various stiffnesses of bristles in our line of plain toothbrushes. Our MEDIUM bristle toothbrush is a nice balance between too soft and too hard. It is just a bit stiffer than our SOFT, so you can think of the MEDIUMS as a "hard soft" toothbrush. 4 toothbrushes per pack. This is NOT a flimsy "disposable" style toothbrush. It is a quality, medium-bristle toothbrush with a solid handle like you grew up with. All the bristles are at the same level for the most even cleaning capability. No crazy "ergonomic" handles. No multi-color bristles. No varying-length bristles. No bent heads. Just a well-made classic toothbrush! Because the Sound Feelings toothbrush has a traditional flat top, it actually makes better surface contact with all surfaces within your mouth than "modern" multilevel brushes." All toothbrushes are INDIVIDUALLY-WRAPPED in cellophane for maximum sterility. Certified BPA-free, Phthalate-free. Please search on Amazon for ALL VERSIONS of our toothbrushes from Sound Feelings: Soft, Extra Soft, Medium, Hard, Extra-Hard and Kids, or Sampler, if you aren't sure.