Polyester
•General to fit offset banana frame umbrella up to 11.5' DIA (Round) or 7.5' L (Square).
•Made of 600D polyester canvas complex with waterproof backing. Tough enough to keep rain, hail, snow, dust away.
•Heavy duty plastic clips & straps in the middle of the umbrella cover, allows adjustment for a tight and easier fit. Elastic hem cord with adjustable toggle and hook & loop for a tight custom fit, especially during high winds and severe weather.
•Every package comes with one collapsible fiberglass pole, Convenient to lift the umbrella cover up & off. Zipper closure for easy take on and removal.
•Full coverage design avoids the exposure of the sun, makes your umbrella always look like new.