Originally Posted by jib71

Ordinary families probably mostly use plastic bathroom furniture; but higher grade than the classic Kerorin-sponsored items that you find in old-school sento. That stuff feels cheap..
You can get wooden stools with various heights - and even nesting sets if you have different preferences in the same household:
https://www.kagu-wakuwaku.com/produc...A_xuEfNdvZODKu
If you wait until your next trip to Japan, you can find them in Hands and other home goods stores. Perhaps not Bic Camera.