Tigard Round Cast Concrete Vessel Sink - Dark GreyThe design of this cast concrete bathroom vessel sink is a very specific balance between contemporary and vintage. Sanded throughout for a smooth texture, the sink also features sealants meant to curtail scratching and water damage. Overall Dimensions: 15 7 8" Diameter x 4 3 8" H ( 1 2") Interior Dimensions: 14 1 2" Diameter ( 1 2") Cast Concrete Construction Features Special Additives Such as Plasticizers for Added Durability Basin Sanded for Smooth