Our 9 x11 FT patio umbrella and base set is the perfect answer for a bright and sunny day or your night. Create a comfortable outdoor space with this outdoor patio cantilever umbrella and base set by Crestlive Products. The unique handle design for the crank system makes it easy to open and close and features six adjustable positions for optimal shade. Each 4 black plates of the umbrella base is made from high-strength HDPE material that are rustproof and waterproof.