PatioPost 10 Ft Deluxe Offset Hanging Patio Umbrella with Free UV Resistant Protect Cover, Blue Canopy is made of 250g/m2 polyester fabric (thicker than the usual fabric in the market with 180g/m2 or below), waterproof, UV and fade resistant; With dia1.5" aluminium pole; with sturdy steel 8 ribs in rectangular shape 0.5*0.7"; With crank system, easy opening and closing; With additional umbrella cover, PA coated, same as conopy color, protecting your umbrella when not in use; Note: Cross base is included, but the weight is not included, additional weight is required;