These contour fenders stay put and stow conveniently under boat seats. They hinge to wrap around the gunwale and hull, following the contours of the boat. Constructed of a durable marine-grade, tri-laminate cover, with closed cell foam inside. There’s a tough polycarbonate grommet at each end for hanging from cleats. 24" (60cm) long x 6" (15cm) wide x 2-1/2" (6cm) thick.