The P358 Honey Onyx Vessel Sink Is Made From Natural Onyx. The Sink Is Carved From A Large Block Of Onyx, A Type Of Marble, And Smoothed Out To Create A Beautiful Sink. This Sink Has An All-Over Yellow Color With Light Tan And Red Veins Running Through It. Since Onyx Is A Natural Stone, The Details Will Vary In Color And Pattern From Sink To Sink. A Matching Stone Waterfall Faucet Is Available To Correspond With This Sink. The Overall Dimensions For The P358 Are 16 1/2' X 16 1/2' X 5 1/2' And An 18' Minimum Cabinet Size Is Required. As Always, Our Stone Sinks Are Covered Under A Limited Lifetime Warranty For As Long As You Own The Sink.