Bayside21 9' Sunbrella Auto Tilt Patio Market Umbrella - Olive Green 9ft, 8 aluminum ribs market umbrella olive green color; Durable Sunbrella fabric is long lasting and fade and stain resistant Auto tilt function allows for easy to use angle preference; Umbrella easily opens and closes with crank lifting system Vented canopy designed to facilitate air flow, preventing inversion in windy climates Heavy-gauge, light weight, and rust free (1.5in.) diameter aluminum pole Ideal for personal and commercial use; Base is not included