Traditional round fenders protect hulls fairly well, but not gunwales. Ski boats, bass boats and runabouts with step-down gunwales are especially vulnerable to damage from docks. The HULL HUGR Contour Boat Fender hinges to wrap around the gunwale and hull, following the contours of the boat. It can be used as a flat fender too. It is constructed of incredibly durable tri-laminate material with poly-carbonate grommets. It stows conveniently under seats or inside storage compartments. 2-1/2" Thick, 6" Wide and 24" Long.