Umbrella Cover Canopy 9ft 6 Rib Patio Replacement Top Outdoor-tan Canopy for 6-rib Market Umbrella Replacement. Includes air vent, without flap, rubber band connection,versatile for Wooden, Steel and Aluminum Frames. 160g UV Protective and Polyester, Fits Most 9ft umbrella Package: 1x High-quality Umbrella Canopy Replacement Fit Ribs Length: 51 to 52.5; Space Between Adjacent Tips: 51.6 to 53.1