Toto Seat Designs

[AdamSmith1800]

The Toto Promedade comes with a soft-close seat that has two features I do not like. First, the lid has a curve, sort of a crown, as compared to being flat, so you cannot sit on it or put things down on it, without them sliding off. Second, the seat itself is curve inwards and down toward the center of the bowl. I am used to an old fashoined seat that is flat on top. I do like the soft close feature.

Are there other seats with soft-close that Toto makes that will fit the Promenade toilet?

Thanks.