IKAYAA 9Ft Patio Umbrella Outdoor Table Market Umbrella with 8 Hard Wood Ribs, Green 100% polyester canopy, well sun-shade and durable Leakage-proof wind vent for air flow and prevent falling in breezy days Hard wood 8 ribs and 38mm central pole for powerful support of umbrella Through pulling cord and 2 pulley to adjust umbrella height in 3 position easily 2.7m diameter canopy to shade sun for 4-6 seat table