Our beautiful 20'' half round umbrella base is useful for holding your umbrella securely into place. It features ornate flower design with an antique finish that brings an old world flare to any patio, deck or garden space. The adjustable base securely houses standard umbrella pole sizes and adjusts to prevent wobble-free use while you are enjoying an alfresco meal or just soaking up the shade on a hot summer day. It is good for half round umbrella, do not hesitate to buy one