This is a universal umbrella canopy. This canopy has been designed to provide a general fit, not a custom fit, for most patio umbrellas. Rejuvenate the look of your patio umbrella. Our 9 ft. universal umbrella canopy will fit most standard 9 ft. market patio umbrellas. Our umbrella canopy is made from a treated polyester fabric, which give it enhanced durability against sun, wind, and weather. This umbrella canopy has a vented top for improved stability in windy conditions.