Super Duty Inflatable Yacht Fender - 18' x 42' - Navy The Super Duty inflatable yacht fenders are built to last. We use 30% heavier material and 15% higher tensile strength than the competition. Our fenders are also 50% more abrasion resistant and twice as tear resistant than the best-selling competitive brand. Five-year limited warranty. Features: * Webbing exceeds 4500 lbs. tensile strength * Heavy-duty spring actuated valve with quarter turn lock for easy inflation or deflation * Welded seams have no glue to harden or breakdown * Yacht Size: Up to 75'