Formosa Covers 9ft Umbrella Replacement Canopy 8 Ribs in Cocoa (Canopy Only) Make sure your umbrella is 8 panels canopy with ribs length 52" to 54" 9ft umbrella replacement canopy for 8 ribs umbrella in Cocoa Fits 8 ribs umbrella frame. EACH rib must measure 52" to 54" 300 denier polyester with UV treated and water repellent Replacement Umbrella CANOPY ONLY. Air vent canopy.