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 M1512TR-WN 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. - Walnut; Melamine - Length 12 in - Diameter 15 in - Height 2-1/2 in - Sold per each