12" X 18", 21 Backsplash / Mosaic Tiles

12" X 18", 21" Mondial Light Blue Gloss Picket Porcelain Matte, Polished 2" X 6" Subway Tile | Neshada

12" X 18", 21" Mosaics Gray Brick Matte 12" x 12" MS-105 Mono Serra Mono Serra Rectangle Mosaic Tiles

12" X 18", 21" Stark Bianco Matte 12" x 12" SKBIMO22 Centura Square Mosaic Tiles

12" X 18", 21" Amaze Lux Matt 12x24 Matte Porcelain Tile | Global Surfaces

12" X 18", 21" Volga Blue 32x64 Polished Porcelain Tile | Global Surfaces

12" X 18", 21" Florentina Roman Blue Glossy 12" x 12" 1W6A3085 Centura Square Mosaic Tiles

12" X 18", 21" Base 7017 24X48 Matte Porcelain Tile | Global Surfaces

12" X 18", 21" Penta Azalea Ginger Matte 12" x 12" 2006305 Centura Square Mosaic Tiles

12" X 18", 21" La Marca Statuarietto Polished 10" x 11-1/2" 4501-0323-1 Anatolia Hexagon Mosaic Tiles

12" X 18", 21" Blendstone Grey Semi-Polished 12" x 12" BL3MS5L Centura Mosaic Tiles

12" X 18", 21" Bianca Fiume 3" x 12" Ceramic Matte, Polished 3" X 12" Subway Tile | Neshada

12" X 18", 21" Diamante Brick Brown Multi Finish 12" x 12" SMOT-SGLSMT-DIA8MM MSI Surfaces Rectangle Mosaic Tiles

12" X 18", 21" Type Bone Matte 1" x 3" 566047001X3N Planchers 1867 Planchers 1867 Rectangle Mosaic Tiles

12" X 18", 21" Cortina Honey Matte 8-1/2" x 10" COESHO Centura Hexagon Mosaic Tiles

12" X 18", 21" 12182P 24x48 Polished Porcelain Tile | Global Surfaces

12" X 18", 21" Scachhi 12x12 Semi Polished Porcelain Tile | Global Surfaces

12" X 18", 21" La Marca Carrara Gioia Honed 10" x 11-1/2" 4501-0334-0 Anatolia Honed Mosaic Tiles

12" X 18", 21" Bergamo Herringbone Gray-Light Polished 11-1/2" x 11-1/2" SMOT-BERGAMO-HB10MM MSI Surfaces Rectangle Mosaic Tiles

12" X 18", 21" Veneta Ardesia Matte 2" x 2" 4501-0297-0 Anatolia Square Mosaic Tiles

12" X 18", 21" Deco Chex Handmade 12x24 Semi Polished Ceramic Tile | Global Surfaces

12" X 18", 21" Geo Beige Polished 12x24 Polished Porcelain Tile | Global Surfaces

12" X 18", 21" Soho Halo Grey Matte 11" x 12" 4501-0464-0 Anatolia Hexagon Mosaic Tiles