The rectangular dining table tops require greater support for their size and weight which is assuredly achieved with the double pedestal. woven and shapely design of the base. The distance allows room for the umbrella base to support shade while dining. This man-made top showcases the best attributes of natural stone while offering exceptional durability. It is UV and stain resistant, protected with a polyurethane sealant, and extremely strong with its unique composite of fiberglass and concrete.