Bonsaiboy Black Ceramic Humidity/Drip Bonsai Tray - Rectangle - 12.0" x 9.0" x 1.0" Black rectangle ceramic humidity/drip tray. Measures: 12.0" x 9.0" x 1" O.D., 11.0" x 8.0 x 0.5" I.D. A finishing, practical addition to your bonsai living sculpture.