The ultimate in versatile, durable docking protection! Dock Pro heavy-duty vinyl bumpers are ideal for rough conditions, and can take a beating. Made from U.V. resistant, marine-grade vinyl, they provide excellent protection for your boat and dock. Straight piece can be mounted horizontally, or the curved back side allows for vertical mounting on pilings. Corner piece provides superior impact protection on dock corners. Both bumpers have inflation valves for easy adjustment to desired firmness. Pre-drilled for easy, permanent mounting with plated fasteners.