Genuine Mother of Pearl Shell Tile White 1" Hexagons (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 4" x 4" Sample: http://www.amazon.com/gp/product/B0071FFPR0 Thickness: 2 mm As a natural product, the hues in mother of pearl may vary