This universal base comes in smooth natural concrete and powder-coated black steel stem. Designed to be used under tables or as a freestanding base depending on height. For freestanding umbrellas select the 16 inch stem height, for under the table use select the 11 inch height. Use this base with a new umbrella for your park, school, or patio. Give us a call to discuss the benefits of using this base with a Ubrace!