TrueShade Plus 9'-11' Outdoor Patio Market Umbrella Storage Cover Cover fits umbrellas 9 to 11 feet in diameter Stain-resistant surface wipes clean with a damp cloth or machine washed WATER-RESISTANT - PU coated polyester fabric provides added water protection. Fully breathable material helps prevent mold growth Adjustable hem cord with lock, on the bottom of cover to ensure a customized tight fit Swen seams for added strength