16 concave /convex turned & carved wood tiles, mounted on ( painted black ) 1/2” mdf and framed with one piece black lacquer frame. The woods are; White Top Burl (Australia), Lace Redwood burl, Spalted Maple Burl and Buckeye burl (Calif.). Buffed acrylic lacquer finish. Dim 30”L X 30”W X 2.75”D