The Skyspan 13 foot square umbrella has a solid powder coated structural aluminium frame with internal gearing mechanism. A supplied removable handle makes opening and closing the umbrella a simple task. The umbrella canopy is made from a PVC Coated polyester fabric which is both 100% waterproof and UV proof. The retractable umbrella range has been wind rated by engineers withstanding 75mph when opened and 93 mph when retracted. After many years of engineering and endurance testing, SkySpan offers an umbrella that will surpass all expectations.