... coatingDensity:160T,170T,180T,190T,210TStyleManual open & auto-open & auto open-closeFrame(w/withoutwindproof function)shaftMaterial:steel,aluminum, ... plastic,steelShape:german,clabash and other designs are availableDifferernt umbrella designs are acceptable!The patent product is based ... smooth surface, more suitible for hands holding; the umbrella body might be rotating to make travel very convenient ...