Sample Size 4" x 4" Genuine Mother of Pearl Shell Tile Natural Varied 5/8" x 1" Minibricks for Backsplash and Bathroom Walls and Floors 4" x 4" Sample Piece. We recommend ordering a sample piece for determining if this tile fits with the rest of your decor. Polished Finish For Residential and Commercial Use Grade A mesh-mounted mother of pearl mosaic Thickness: 2 mm As a natural product, the hues in mother of pearl may vary