Mother of pearl is the iridescent substance that forms the lining of the shells found in both fresh water and salt water mollusks. Because this is a natural occurring substance and the cut pieces are put on individually by hand, no two items will be alike. Features: -Beveled and surrounded by a thick border of natural mother of pearl tiles. -Natural shell border. Specifications: -Overall Dimensions: 33" Height x 25" Width x 1" Depth.