White gesso or plaster is a technique that has been inspired from "Plaster of Paris" from the early 1900's. The Giacometti brothers were the first to use this technique in the art world. The three dimensional chiseled frame in plaster adds a modern touch to this piece. Crafted of Polyresin Beveled glass mirror Mirror can hang vertical or horizontal Three dimensional chiseled frame Mirror Surface: 31.5"H x 21"W D-Loop Hanging Mechanism Frame: 3.5"W MDF Backing