Want to Sample?  Order A Sample Product Details Sq. Ft. Per Box: 11.25 Pieces Per Box: 5 Length: 18″ Width: 18″ Thickness: 3/8″ Finish:  Natural Cleft, Gauged Recommended Grout: Mapei Flexcolor CQ Recommended Sealer: Miracle 511 Porous Plus Freeze/Frost Proof: No Please Note: Natural variation is a characteristic of handmade tiles. Variation in color, size and irregular edges are to be expected. Also, there are no guarantees made against fine cracks, also known as crazing, that may develop in the tile's surface, as it is part of the character that makes these tiles unique.