Common sheet sizes for marble alternative cladding in Saudi Arabia include widths of 300, 600, and 1200 mm and lengths of 1200, 2400, and 3050 mm, with thicknesses from 3 to 8 mm depending on use. Select the size for internal walls, exterior facades, kitchens, or bathrooms in Riyadh, Jeddah, and Dammam, and confirm it fits your installation system.