optimisland patio outdoor sun umbrella mosquito netting, zippered canopy mesh with adjustable rope, fits 7 to 9 ft outdoor umbrellas and tables optimisland are you still worrying about mosquitoes on outdoor picnics? our sun umbrella mosquito netting is the perfect choice for you. just set up easily over the patio umbrella, lets fresh air in and keep pests out. create a peaceful space for your gathering.