A serious umbrella when facing windy conditions, the WindPro system is wind tunnel tested to resist high winds without inversion. 100% polyester pongee canopy and case. Vented canopy engineered to resist windy conditions. Anti wind canopy designed to resist inversion. Auto openclose. New all fiberglass frameribs uncommon in compact umbrellas offers a significant increase in the durability and life of the umbrella. Black electrostatic steel shaft and ribs. Black rubber coated handle. 43 in. arc, 3 section shaft. Approximately 11 in. in length when closed. Weighs 12 oz..