Crafted from the highest quality marble, slate and granite, these luxurious table tops exude an unmistakable aesthetic of quality and style. Patent pending engineering blends the old world artistry of hand carving and tile setting with state of the art technology for lighter weight and weather resistance. Special handling required. No umbrella hole. Table tops are floating - they have an optional attachment system to table bases. Requires annual sealing with a penetrating stone sealant.