Ekena Millwork CM18AT2 18" OD x 4" ID x 5/8" P Attica Ceiling Medallion, Two Piece (Fits Canopies up to 5"), Factory Primed White 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