Venture Series Patio Umbrella, 11 ft., octagonal, double wind vent, 1-1/2" dia. anodized aluminum pole, 2-piece with 2mm wall thickness, 12.7mm reinforced fiberglass ribs, push lift with pin stop, stainless steel hardware, zinc plated hub & housing, Grade 1A Sunbrella™ Fabric, melon, Made in USA