Ray and Charles Eames designed the Eames Walnut Stools to function as stools or side tables — whatever the need requires. Crafted from solid turned walnut, these sculptural accent pieces feature concave tops and bottoms with a choice of three distinctively shaped center sections.

https://www.hermanmiller.com/products/seating/stools/eames-walnut-stools/ 

13 "top dia. | 11" bottom dia. | 15 "h