No need for fenders! This revolutionary design incorporates a soft expanded polypropylene core surrounded by integral foam. The result is the softest but most durable bumper to protect your boat. Molded-in marine plywood backer allows strong secure mounting. Unique male and female sockets make it easy to join pieces for a seamless look. End caps and corners (sold separately) complete your system for the ultimate in protection. Mounting hardware not included. 48"L x 4"H x 2"D. Molded-in marine plywood backer Sockets join together for a seamless look Complete system with end caps and corners | Full Profile Dock Cushion