Yescom 8' Patio Umbrella Replacement Cover Top 8 Rib Outdoor Gazebo Beach Garden Pool Yard Color Optional Fits for 8 ft 8-rib umbrella with each rib's length 45 1/4"(115cm), please measure your umbrella rib length before purchase 180g/sqm waterproof polyester fabric UV30+ protective umbrella canopy, blocks harmful UV effectively Color fastness up to European standard level 4 Space between Adjacent Tips: 34 5/8"(88cm); Recommended top opening size(inner diameter): 3/4"(2cm)Dia.