Polyform U.S. F-6 Twin Eye Fender 11in x 42in - Blue. The F Series fender has offered protection to the world's finest yachts and fishing vessels. Why? Because the owners and captains of these prestigious boats know that they can rely on Polyform's F Series fenders to offer the size strength and dependability to protect their vessels from the rigors of the sea and weather. If you want the ultimate protection for your boat Polyform F Series fenders are the only choiceClassic European twin-eye style boat fenders for the most discerning eye. Features of Polyform U.S. F-6 Twin Eye Fender 11" x 42" Wide range of sizes to suit any vessel Unique vinyl valve seals securely Even wall thickness for maximum strength and durability Multiple ribbed reinforced ropeholds Twin - eye design for vertical or horizontal use Designed for use in permanent unprotected moorings pilings locks and concrete walls Package Contents: Polyform U.S. F-6 Twin Eye Fender 11in x 42in Polyform U.S. F-6-BLUE: F-6 Twin Eye Fender 11in x 42in - Blue