The Heavy Duty Dock Bumper is the ultimate protection for your dock and pier. The HD dock bumpers are ideal for the roughest conditions. The dock bumpers are made from UV resistant marine-grade vinyl that includes an impregnated fungicide. The HD Dock Bumpers offer superior impact protection for both the boat and the dock. The dock bumpers features air inflation valve and a curved back panel allows you to mount vertically to a piling. The HD Dock Bumpers are white, weigh just 7 pounds, and measures 33 1/2″ long, 4″ wide, and 5 inches high. Manufactured by Ultimate Dock & Pier Products.