Special Features:<br> Patio cantilever umbrella base sand/water filled square umbrella stand with 3D surface, made of durable HDPE material with excellent blow molding process, which is hard and weather-resistant, UV-resistant, waterproof, stable.<br><br> ●With this umbrella base, your offset patio umbrella looks more fashionable.<br> ●With this umbrella base, your offset patio umbrella gains more stability.<br> ●With VredHom products, your garden life becomes more wonderful.<br><br> More Information:<br> ●Material: HDPE material<br> ●Overall dimension: 33" L x 33" W x 6.3" H<br> ●The Weight of Filled with Sand: 230 lbs<br> ●Number of water injection port：1<br> ●Number of water drain outlet：1<br> ●Diameter of water injection port ：1.97"<br> ●Diameter of water drain outlet: 1.18"<br>