Big B Inflatable Vinyl Boat Fenders The versatile Big B Inflatable Vinyl Boat Fenders incorporates a Center Rope Tube that allows end-to-end line passage. Hangs vertically or horizontally with a single line. Horizontal hanging is also useful protection against pilings, awkward docking situations, and tidal change areas. In addition, the Big B Inflatable Vinyl Fenders feature seamless construction, with molded ribs to minimize roll, Big B Inflatable Vinyl Fender's are from the highest quality marine grade vinyl with a high gloss finish. In addition, the fenders are available in two sizes to fit a full range of boat sizes. Ribbed sides also keep fenders in position and minimize roll Built-in bi-valve allows you to inflate the fender to just the right pressure. Manufactured by Taylor Made Products. Recommended inflation is 2 PSI. Extra soft, tough and shiny. Also the 3/4′′ diameter center hole accepts up to 5/8′′ diameter rope for securing the fender.