The Nova porcelain mosaic tile collection features six natural pottery pigment designs. Sold by the box. Each box of 6” x 6” mosaic porcelain tiles contains 44 pieces that can be used to cover 10.76 square feet. This standard, no-nonsense porcelain tile is resistant to fading, staining and discoloration. It’s also impervious to liquids and vapors. A manufacturer’s warranty of one year is included.