- Premium Oxford Fabric : Constructed from durable 420D waterproof oxford fabric with a silver internal coating. This cover provides exceptional protection against wear and tear from harsh weather conditions. - Spacious Design : Measuring 104 inches in height, with a top diameter of 16 inches, middle diameter of 28 inches, and bottom diameter of 20 inches. It is specifically designed to accommodate large garden cantilever and offset umbrellas ranging from 9 to 12 feet in diameter. Please ensure to measure your umbrella before purchasing. - Weatherproof Protection : Equipped with meticulously sealed seams and a robust waterproof zipper, this cover delivers superior resistance against sun, rain, snow, wind, dust, and dirt, keeping your umbrella in pristine condition regardless of the elements. - Effective Ventilation : Features ventilation holes at the top, which promote airflow. This design reduces wind pressure and prevents condensation, ensuring that your outdoor umbrella remains dry and free from mildew. - Secure Fit : Ideal for umbrellas between 9 ft and 12 ft, it includes a strong Velcro strap for easy adjustment and a tight, secure fit. The hem cord with adjustable toggle allows for a customized fit, providing added security during windy and severe weather conditions. Use Scenarios : - Perfect for protecting your patio umbrella in your backyard during heavy rain or unexpected storms. - Great for extending the life of your outdoor furniture while keeping your umbrella safe from dirt and debris during the off-season. - Ideal for use in beachside setups to guard against the salty air and sand exposure, ensuring long-lasting performance. Stay prepared for any weather with this reliable outdoor patio umbrella cover, designed to keep your umbrella safe and functional season after season.