Great Deal Furniture Howard 55-Pound Square Grey Granite Umbrella Base 15.75D x 15.75W x 2.25H Made of granite & stainless steel Grey in color, compliments most existing decor Assembly required The 55-pound grey granite square umbrella base ensures that your umbrella will remain securely intact with style and practicality. Built out of granite, the 55-pound base can accommodate an umbrella as large as 12 feet. The base rod features a tightening knob to easily secure any sized umbrella pole. Place one under your dining set to provide a shady and relaxing outdoor dining experience with your favorite outdoor umbrella.