Best Seller | Arlmont & Co. Sonrisa 20 Umbrella Base Plastic/Resin/Concrete in Black | 13 H x 19 W x 12 D in | Wayfair 5091DE73C7E14809AF6D93CDE963ED93 Securely anchor your semicircular umbrella with the Half Moon Umbrella Base. This umbrella stand weighs 20 pounds, and the shape allows you to fit a half umbrella flush to a wall or fence, allowing you to shade smaller areas like a balcony or compact... more | | $158.99 $136.99 FREE shipping go to store |