I like the sleek simple lines of this toilet and it works well. I am disappointed that there is the unglazed seam that other reviewers have mentioned. Our cleaner thought she needed to dust it. So it always looks a bit dirty in that area. I bought this toilet through my plumber, but am posting this review here because Kohler should be more careful with details.  Kohler is sending me a new lid, so I will see if this helps hide the unfinished edge.