Gen3 Marine Boat Fender Kit The Gen3 Marine Boat Fender Kit has all you need to protect your boat while docked. The fenders are constructed of marine grade vinyl to have the strength for multi-season use. Featuring reinforced rope holds that are resistant to wear for longevity. The fenders are ribbed for extra strength and a valve for quick inflation. The Gen3 Marine Double Braided Fender Lines are durable and made of 100 nylon for resistance to chemicals, mildew, and rot. The Fender Lines are s