Stack and arrange to create endless possibilities to create simple tiers to elaborate landscape. "Fo Bwa" is Creole for fake wood. The Elite Global Solutions M1512TRBB Fo Bwa Quarter Oval Riser is the RIGHT side of the oval and used with the Left (NOT INCLUDED) will create a half oval shape riser. Constructed out of durable melamine that resembles true bamboo material. Easy to wipe clean. - Bamboo - Melamine - Length 12 in - Diameter 15 in - Height 2-1/2 in - Sold per each