The Prima Horseshoe toilet Aid is designed to fit every toilet bowl shape, including square toilets and wash and dry bidets. The seat is flatter than most toilet aids and is contoured for comfort. The fully open fromt of this seat makes it perfect for Gentleman. It has unique clips which reduce lateral movement on the frame and the frame is height adjustable. The frame also offers extra adjustability in one of the legs for uneven floors. Max user weight is 190kg / 30stone / 420lbs