SICIS Structura Mosaics Color / Style: Altamira Tile Size: 5/8" x 5/8" & 7/8" x 7/8" Thickness: 1/8", 1/4" & 3/8" Sheet Size: 10" x 11-1/8" Materials: Glass, Wood & Marble Supplied on mesh mounted sheets. Price shown is by the sheet. The material is sold by the sheet which equals 0.77 square feet. This is because each sheet measures 10 inch by 11-1/8 inch. We recommend adding 10-15% to your quantity for waste resulting from cuts and shaping during installation to your space. Available by special order, delivery time is approx. 8 weeks. Please inquire for expedited shipping.