The P659 Vessel Sink Is Made From Pure Bronze With One Piece Construction. The One Piece Construction Ensures A Strong, Durable Sink That Will Last A Long Time And The Unique Shape Is Sure To Add Charm To Any Bathroom. This Bronze Sink Is Finished With A Beautiful Antique Patina That Will Help To Disguise Minor Scratches Or Blemishes That Occur Over Time. The Overall Dimensions For The P659 Are 19 1/4' X 13 1/2' X 5 3/4' With A Centered Drain And A 21' Minimum Cabinet Size. As Always, Our Bronze Sinks Are Covered Under A Limited Lifetime Warranty For As Long As You Own The Sink.