You are purchasing a used 3 piece set Cal-Mil Acrylic Dome Sample Tray Set.  It includes Clear Deep Serve Tray which measures approx. 2.5" deep and 10" in diameter, black acrylic tray which is approx. 10.25" in diameter, and dome which is 9" tall and approx 12" 11" in diameter.  Bottom clear deep serve tray has a crack as does dome--see photos.