Description: Why choose this patio umbrella base? This kind of patio umbrella base is easy to carry and install the material of the umbrella base is HDPE which can resist wear and tear durable and weatherproof. High-Durability Fabric: Come with HDPE waterproof aging resistance wear-resistant. Easy Control: Come with two tightening knobs easily adjust the size to fit most umbrella poles and very stable Black Color: The classic black color can match many color Solar Patio Umbrella Applicable:Can be used at home yard outdoor balcony barbecue bar restaurant company leisure area Matching Ainfox 7.5-9-10-13FT Patio Umbrella Specifications: Color:Black Material: HDPE Inner diameter of pole:1.57 external diameter of tube: 2.16 The length of tube: 8.66 The diameter of base:20.08 Weight after water injection:48.5 lbs Package Size:22.44 x5.9 x20.47 Gross/Net Weight:5.95 lbs/4.63 lbs Package: 1?Umbrella base Note: No umbrella included. You can search for Ainfox Patio Umbrella Installation steps S