The Dock Edge DocKushion HD is 20% thicker than the Large or Small DocKushion. The DocKushion is ultimate in protection systems. No need for fenders any more. This revolutionary design incorporates a soft expanded foam core surrounded by UV-stabilized integral polyurethane 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. These end caps complete your system for a professional, clean-looking job.• Ideal for heavier dock applications• 20% thicker than regular DocKushion• End caps complete your DocKushion system for a professional look• Measures 2"L x 4"H x 2-7/16" thick Softest, most durable bumper for your boat DocKap end caps complete your DocKushion system for a professional look Measures 2""L x 4""H x 2-7/16"" thick | Dock Edge DocKushion HD 2" DocKaps, 2-Pack