Polyform U.S. HTM-4 Fender 13.5in x 34.8in - Blue w/Adapter. Vertical ribs for extra protection reinforced tube ends to prevent lines from pulling through if the fender gets caught in a tight spot and extra wall thickness to resist punctures and tears are just a few of the features of this high-quality fender has to offer.The HTM Series fender is designed to provide protection and stand-off for larger vessels between 20 to 50 feet in length. Package Contents: Polyform U.S. HTM-4 Fender 13.5in x 34.8in Polyform U.S. HTM-4-BLUE: HTM-4 Fender 13.5in x 34.8in - Blue w/Adapter