Size: Suitable for PURPLE LEAF 9' X 9', 10' X 10', 9' X 11.5', 9' X 12', 11' X 11' offset cantilever umbrella. Resistant & Durable Material: this umbrella cover is made of high-quality water-repellent polyester fabric, UV250-300 protecting, which easy fitting and tough enough to protect your outdoor umbrella from damage. Easy to operate: Each umbrella cover is equipped with a telescopic rod, which makes it easy to removed. Easy to Use: zipper makes it very easy to remove or put on. Easy for your storage and use without taking up space. Our umbrella covers are available in a color that matches your umbrella to complement your patio style. It helps your cantilever umbrella not be damaged by fallen leaves, bird droppings, hail, etc. Note: Please measure your umbrella dimensions for proper fit. Size may be 1-5mm inaccuracy due to hand measure