Replacement Patio Umbrella Canopy Cover for 13ft 8 Ribs Umbrella Taupe (CANOPY ONLY)-BROWN Canopy for 8-rib Market Umbrella Replacement. Includes air vent, without flap, rubber band connection,versatile for Wooden, Steel and Aluminum Frames. 160g/m2 UV Protective and Polyester cover For 13ft 8 ribs umbrella ribs length from CANOPY ONLY