3m round alfresco parasol swing 360 degrees for flexible sun tracking throughout the day. waterproof and UV-resistant polyest Roman umbrella(quality type) 1)Fabric: 280g Acrylic, waterproof, UV-resistant . 2)Frame: Aluminum alloy, 8K Pole: 80*40mm, rib: 15*25mm . 3)Easy to adjust the direction and height of this umbrella.4)Flexible tilt and rotation with sun .5)Elegant apperance, durable, ...