Left head: plaster, 28 1/2 x 16 1/2 x 17 inches 72.4 x 41.9 x 43.2 cm Middle head: bronze, 3/5, 28 x 16 x 16 1/2 inches 71.1 x 40.6 x 41.9 cm Right head: plaster, 28 1/2 x 16 1/2 x 17 inches 72.4 x 41.9 x 43.2 cm Hydrostone bases: 53 3/4 x 19 1/2 x 19 1/2 inches 136.5 x 49.5 x 49.5 cm