They were normal stackable circular wooden stools, not piano stools. I offered them on Facebook Marketplace and this piano teacher responded saying they needed extra seating for recitals and could use the stools. That seemed the most worthy cause I saw in the first 24 hours so I give away the 20 extra stools to that teacher.

(Incidentally, I do play piano, but the 5 stools I ordered weren't intended for piano use on my part, I was just using them for overflow seating for friend gatherings.)