13' Ft Sycamore Wood Pole Khaki Beige Patio Market Outdoor Umbrella by Koval German Beech Wood Pole & Ribs: Processed through more than 12 steps to select firm superior wood for insect-repellant and extended lifespan; Much sturdier than other 13ft umbrella wood on the market; Coated with varnish to present the symmetrical and exquisite texture of natural wood 13 feet in diameter with 8 firm ribs construction, the most stable support to the canopy Pulley and rope for convenient lifting and lowering Finials of each rib wrapped with cloth to assure stability and best stretch UV30+ protective and anti-fade polyester canopy