Physical Dimensions: Central panel, overall, with engaged frame, 12 3/8 x 10 1/8 in. (31.4 x 25.7 cm), painted surface 9 1/8 x 6 7/8 in. (23.2 x 17.5 cm); each wing, overall, with engaged frame, 12 3/8 x 5 in. (31.4 x 12.7 cm), painted surface 10 3/4 x 3 1/2 in. (27.3 x 8.9 cm)