patio umbrella 1.aluminum ,anti-rust 2.polyester,waterproof 3.with tilt,crank and vent outdoor umbrella Frame: Aluminium powder-coatedMain Pole: 77 ... synthetic ropeCanopy Shape RoundDimension: 3m DiaFeatures of outdoor umbrella: 1.This kind of umbrella have strong power of preventing the wind, ... of the product quality problem within the validity. patio umbrella/outdoor umbrellas/garden umbrella