Double Top Canopy for ventilation. 6 Heights and Angles to choose from. 360 Degree Rotation. UV Resistant, Water Repellant & Colorfast. Fadeless. ALL Aluminum Umbrella Pole & 8 Heavy Duty Ribs. Heavy Duty Structural Support. High Quality 240 GSM Yarn Dyed Polyester. Includes Base. Bought New for $564. Excellent Condition. I have reconfigured my Deck and this Umbrella no longer works for me. This is a VERY HIGH QUALITY Umbrella that Will last for years.