The ultimate in durable docking protection. Dock Pro™ heavy-duty bumpers are ideal for rough conditions and are made from UV resistant, marine grade vinyl. The straight-mount model affixes easily to flat surfaces and pilings and the corner-mount provides the same protection on right-angle sections. Both models have inflation valves for variable firmness. Material: Marine-grade vinyl Attachment Method: Pan-head screws or nails Cross-Section Shape: Molded Arch Shock Absorption Mechanism: Inflated chamber with pressure valve Warranty: One year