RhinoTube dock fenders are a leap forward in a watercraft and dock protection system. Our patented triangular design delivers 4" of increased protection and durability. Made from RhinoPoly™, a unique blend of plastic created for making pipelines and calbes. Rhino Fenders are scuff resistant and our shape delivers an incredible cushion for all levels of watercraft. Available for all horizontal and vertical applications as well as post covers. Attaches easily to wood and metal docks, concrete, brick walls and any type of piling.