Juvale Water-Resistant Patio Covers for Weatherproof Umbrellas 87 inches This cover helps keep your umbrella clean all year round when not in use Fits market umbrellas 9-ft to 11-ft in diameter up to 87 inches long Material is water and weather resistant Stain and wrinkle resistant to simplify cleanup and upkeep Air vents keep weather out while providing ventilation and minimum condensation