Vogue Premium Quality Nero Marquina Polished Black Glass Mixed Mosaic Brick Pattern Tile for Backsplash and Bathroom Wall Designed in Italy (12x12) Type: Nero Marquina Polished Black Glass Mixed Mosaic Tile for Backsplash and Bathroom Wall Thickness: 3/8" (8mm) --- Grout Joint: 3/16" Finish: Glossy, Reflection Finish-----Color: Mixed Black Ideal use for Bathroom Walls, Kitchen Backsplashes. Indoor and Outdoor Use.