Oak Stackable Round Stool The Quest Game Part 2 by Markendria on DeviantArt Sprunki hornstromp games (main cast) angry by coolgirl5412 on DeviantArt Pin en The Loud House. A round stool with a simple design, made with solid oak wood and treated with polyurethane resin coating. It is designed to be stackable for easy, space saving storage. The varying shades of wood color and the mottled patterns are testaments to the trees' refinement by nature and time. Grain and color of natural wood vary, and natural wood may also exhibit unique patterns such as knots and tiger stripes, giving each piece of wooden furniture its own unique charm.