Formosa Covers 9ft Umbrella Replacement Canopy 6 Ribs in Turquoise Olefin (Canopy Only) Make sure your umbrella is 6 panels canopy with ribs length 52" to 54" 9ft umbrella replacement canopy for 6 ribs umbrella in Turquoise Fits 6 ribs umbrella frame. EACH rib must measure 52" to 54" Olefin fabric with UV treated, Very good colorfastness 1200 sun hours Replacement Umbrella CANOPY ONLY. Air vent canopy with umbrella tie rope