air-vented

[All-purpose & Versatile Applications]: The 9ft umbrella offers a wide range of shade for you to enjoy outdoor scenery. Ideal for patio tables, patio, back yard, garden, porch, cafe, coffee shop, deck, beach, ranch, balcony and any outdoor area with shading & decorating needs. With vivid color choices, patio or outdoor area looks rich and cheery in different seasons. Pole could be unscrewed and umbrella could be detached to fit needs for outdoor activities like beach camping.
[Good Size for Great Shade]: A 9 foot umbrella is a good size for a standard 6 seat patio table.
[Enjoy the Breeze & Stability]: 94 1/2″ x 1 1/2″ rust-free center pole with 8 ribs provides the most stable support. Its Water Repellent, UV30+ protective, Fade Resistant 100% polyester fabric ensures long-lasting usage. Air-vented cutting on the top of the umbrella offers both air ventilation & stability.