Boat fender covers made from super soft knitted marine grade polyester that will prolong the life of your boat fenders and help protect your hull's finish. Boat fender covers made of high elastic material that's resistant to water as well as UV-protected and have a strong abrasion, strongly withstand the wear and tear of sun and water. Each bumper cover includes a convenient draw string to give your covers a smooth and tight fitting look,easy to install and remove, making them a convenient addition to your boat gear. After using the boat bumper covers, no scuffing to the gel coat of your boat.reduce annoying ‘squeak' created from your fenders when docked.