Garden Winds 9 FT - Umbrella Canopy Replacement - Green This replacement canopy will fit most standard 9 ft. patio market umbrellas with a 8-rib design. Please measure the rib of your umbrella! Our replacement canopy can accommodate a 54-inch umbrella rib, with a +/- 1 inch variance at most. This replacement umbrella canopy has a vented top for improved stability in windy conditions. Reinforced corner pockets, fortified seam stitching design, and anti-rip fabric come together to allow you to enjoy the sun without the worries of another replacement umbrella canopy.