Whether hung vertically or horizontally, from your topsides or the dock, Polyform&';s HTM Series excelIn keeping with the Polyform tradition of quality, the HTM (hole through middle) fender was designed to provide maximum protection in a wide variety of applications. Vertical ribs for extra protection, reinforced tube ends to prevent lines from being pulled 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 this high quality fender has to offer. Like our G Series, this style fender is available in seven colors, ready to beautify as well as protect your boat. Designed for medium duty use in both permanent protected and unprotected moorings. Boat size - 20 - 25&'; Even wall thickness for maximum strength and durability Molded-in ribs for puncture and abrasion resistance Reinforced tube ends Polyform&';s unique vinyl valve system - the industry&';s best