Extra Large Shade: This 15ft double-sided patio umbrella represents the pinnacle in shading solutions for expansive outdoor spaces, catering perfectly to both residential and commercial settings, including gardens, balconies, decks, pools, or trendy coffee havens where one can unwind with friends and family Base Not Included: Umbrella Base or stand not included, can be used with a table or side patio furniture set. The diameter of this double patio umbrella pole is 1.9" , Please recommend the inner diameter of base should be 1.9" not the standard hole,and stand weight should be up to 140lbs Exceptional Weather Resistance: The umbrella boasts a premium 100% polyester canopy, guaranteeing water resistance, fade resilience, and easy maintenance. Beyond aesthetics, it provides a formidable barrier against harmful UV rays while maintaining superior color integrity Effortless Operation: Facilitated by strategically placed wind vents, the umbrella ensures optimal airflow and stability. The seamless open-and-close mechanism, operated via an integrated crank handle, adds an extra layer of convenience to your outdoor experience Robust Umbrella Ribs: Crafted with a rust-free, powder-coated steel pole and fortified by 12 robust heavy-duty square ribs, this patio umbrella stands as a testament to durability. The incorporated rope boasts an impressive 550-pound capacity, underscoring the resilience of this oversized outdoor market umbrella AECOJOY 15x9ft Large Patio Umbrella, Double-Sided Outdoor Market Rectangle Table Umbrella with Crank Air Vents for Deck Pool Patio(1.9" Pole, Green)