This umbrella has a fiberglass 7 1/2 foot diameter top and swivels with the wind on the pole at a tilt. Pole is 1 1/2" diameter galvanized tube. This fiberglass umbrella has Ultragel coating that is 20 mils thick and has UV inhibitors so the sun doesn't fade providing long life of beauty. This umbrella is low maintenance and easy to clean. Use this umbrella with your picnic table in your park or school.