The Mystic II collection has the look of precious blue gems. Each porcelain tile measures 6” x 6” and comes 48 to a box. One box of Mystic II porcelain pool tiles will cover 11.62 square feet. These impressive 6" x 6" tiles are resistant to staining and fading as well as frost proof. Its level of quality and suitability makes this an excellent porcelain tile for the waterline in swimming pools.