Mother of Pearl Shell Tile White 1" X 1" Squares (On a 12" X 12" Mesh) for Backsplash and Bathroom Walls and Floors Genuine, first- quality natural shell tile for wall and floor use Polished Finish For Residential and Commercial Use 12" x 12" Sold by the piece (1 piece=1 s.f.). Link to purchase sample: http://www.amazon.com/gp/product/B00KTIUO9K 2mm thick