Chiseled from a large block of natural marble. The exterior is finished in a rough hewn with Bulges and recesses. Each sink is unique, measurements are aproximated.The interior is highly-polished with a centerset drain. Overall the sink takes on an irregular rectangular shape rising to a 6 1/2" height and measuring 19 1/2" x 14 1/4" with a 1" thickness. Its inner depth is 4 3/8"