0.17 square foot per piece, each piece sold individually, Piece weight equals 1 lb. Grade 1, first-quality ceramic tile for wall use 2 in. width x 12 in. length x 8 mm thick mesh mounted mosaic Finish is unglazed, with a smooth high/low sheen and random shade/tone variation P.E.I. Rating 0 suitable for walls and residential use only Semi-Vitreous flooring has water absorption of more than 3% but less than 7% for indoor use C.O.F. greater that .50 recommended for standard residential applications and is marginally skid resistant, Indoor use Not frost resistant Residential and commercial use