https://www.softspabidet.com/

The Soft Spa 9500 bidet toilet seat offers the ultimate in self-care indulgence with features designed to make your time in the bathroom as relaxing and soothing as possible.
The lid of the Soft Spa bidet is "sittable". The seat's weight capaciity is 225lbs.
Unlike most bidet seats from other brands, Soft Spa has a 5 year warranty.
Soft Spa bidet went through rigorous quality testing by Fluidmaster engineers:

1. Fluidmaster engineers let the room temperature rise to 104°F, then opened and closed the lid 50,000 times to test the hinges.
2. The Soft Spa bidet was tested by Fluidmaster engineers in 95% humidity for 120 hours.
3. Fluidmaster engineers dropped all six sides of the remote control onto a cement floor from 2’ (60cm, sitting height) to ensure its durability and proper functionality. It also still worked perfectly after spraying it with water for ten minutes.
4. Fluidmaster engineers tested the weight capacity of the seat upto 225lbs - they tested this 1,000 times