"Canopy Shape：Round Size：12' x 12' BASE Include：NO Opening Mechanism：Grip Crank Handle Applicable occasions：All outdoor venues This patio umbrella is suitable all outdoor areas. It provides ample shade for optimal coverage. Help you keep cool and enjoy your outdoor area from the sun's rays. The hand-crank system makes this offset umbrella easy to use, even if a child can handle it easily. Sturdy and stable structural design, both beautiful and practical, durable. Get one now and start your wonderful outdoor life. The patio umbrella base in the picture is not included. Please search weighted base SKU: W004184122 for the US, and C004135096 for CA.