Highest quality heaviest gauge extruded tube with reinforced internal walls for extra support. Solid cast frame components are individually formed through the ancient art of sand casting. Hand-welded using full circumference 360-degree heli-arc welding technology. Pre-inspected for strength and appearance Hand sanded and polished prior to finishing. The finish is made from the highest quality power paints that will withstand peeling blistering and oxidation. Weatherproof for indoor/outdoor use. Care instructions: wash with a solution of mild detergent and a warm water rinse thoroughly 2" diameter hole in the table for an umbrella.