WindJammer by ShedRain 3581A 62-Inch Manual Open Vented Square Golf Umbrella 100% Nylon Imported Fiberglass shaft and rib construction offers significant increase in durability and life of an umbrella. Square vented canopy is engineered to resist windy conditions Rubber handle 62 inch arc, closed length 39 inches All elements of the umbrella are designed to hold up in adverse weather conditions as well as withstand the stresses of use over time.