Physical Dimensions: Central panel, overall 36 x 28 1/2 in. (91.4 x 72.4 cm), painted surface 35 5/8 x 28 1/2 in. (90.5 x 72.4 cm); left panel, overall 36 x 12 3/8 in. (91.4 x 31.4 cm), painted surface 35 1/2 x 12 3/8 in.(90.2 x 31.4 cm); right panel, overall 35 7/8 x 12 5/8 in. (91.1 x 32.1 cm), painted surface 35 3/8 x 12 1/2 in. (89.9 x 31.8 cm)