This 6 1/2″ foot market umbrella features an easy to use crank lift and a square marine grade canopy. Made with a coated aluminum 1.5″ diameter center pole and ½″ diameter fiberglass ribs. Our fiberglass rib crank market umbrellas are hotel quality for resorts and hotel pool side. The top is made of 9 oz. marine grade fabric available in a variety of colors. These market umbrellas feature our reinvented crank system and are the only commercial grade crank umbrellas that feature a two year commercial warranty.