Keep your boat looking new with EasyFlex D-Profile Dock Edging. Whether docking your boat or keeping it tied to the dock during rough waters, the flexible D-shaped single cavity design prevents your boat from hitting sharp dock corners and edges. Arriving in an easily transportable box, this 25 foot roll of black dock edging is made of recycled flexible PVC and can be installed on vertical dock pylons and horizontal beams, in both freshwater and saltwater.