Product Specification: Fabric Type: 100% 180gsm polyester Canopy Diameter and Shape: 11 feet; round Pole Diameter: 1.5 inch (38 mm) Frame: 8 ribs with rust-free powder coated NOTICE: 1. Slight color difference is inevitable due to light in shooting and monitor display. 2. Close the umbrella with the strap in bad weather to ensure a long-lasting use. Details of COBANA 11ft Large Patio Umbrella Wind Vent Equipped with air vent which is designed for air flow and prevent from inversion, keeping you cool and comfortable on hot days. Buckle Fastener Strap is convenient to use and can protect the umbrella better when it is closed. Crank Mechanism Crank system for opening and closing the umbrella, easy to use. Dual Safety Locking pin can keep the umbrella opening, for extra security. COBANA Patio Umbrella Base for Your Choice Click to View Add to Cart Click to View Add to Cart Click to View Add to Cart Click to View Add to Cart Customer Reviews 4.1 out of 5 stars 138 4.4 out of 5 stars 185 4.5 out of 5 stars 216 4.6 out of 5 stars 29 Price $44.99$44.99 $89.99$89.99 $69.99$69.99 $64.99$64.99 Material HDPE Resin Resin Resin Color Black Black, Bronze Bronze Black Weight Water 71lbs, sand 106lbs 52lbs 42lbs 40lbs Matching Umbrella Pole Only 1.5" pole 1.5" and 1.89" pole 1.5" and 1.89" pole 1.5" and 1.89" pole All weather ✔ ✔ ✔ ✔ COBANA Different Size and Type Patio Umbrellas for Your Choice Click to View Add to Cart Click to View Add to Cart Click to View Add to Cart Click to View Add to Cart Click to View Add to Cart Customer Reviews 4.3 out of 5 stars 370 4.5 out of 5 stars 1,207 4.4 out of 5 stars 281 4.3 out of 5 stars 654 4.5 out of 5 stars 1,207 Price $69.99$69.99 $39.99$39.99 $59.99$59.99 $69.99$69.99 $69.99$69.99 Umbrella Type Patio umbrella Outdoor umbrella Half umbrella Half umbrella Rectangular umbrella Canopy Shape Round Round Half round Half rectangular Rectangular Canopy Size 9ft 7.5ft 9ft 7.5*4ft 9.8*6.6ft Color Available 6 colors 7 colors 4 colors 6 colors 5 colors All Weather ✔ ✔ ✔ ✔ ✔