Ekena Millwork CM18ER 18-Inch x 18-Inch x 3 1/2-Inch ID x 1 1/8-Inch Eris Ceiling Medallion Modeled after original historical patterns and designs Solid urethane for maximum durability and detail Lightweight for quick and easy installation Factory primed and ready for paint or faux finish Can be cut, drilled, glued, or screwed