Dock Edge DocKap Premium Foam Profile Large 2" Cap The ultimate in protection systems. No need for fenders any more! This revolutionary design incorporates a soft expanded polypropylene core surrounded by U.V. Stabilized integral skin foam. This creates the softest but most durable bumper you can treat your boat to. A molded in backer allows strong secure mounting. Unique male and female sockets at the ends make joining the pieces a snap for a seamless look. Connect DocKushion lengths end-to-end for long runs. End caps and corners complete your system for a professional, clean looking job.