This fender cover is made from a UV-resistant, non-marking material that is incredibly durable, yet soft enough to keep your boat's hull looking fantastic. Easy to use, easy to clean, and easily one of the best fender covers available. Fender is covered at one end and open at the other with a Velcro seam to ensure a snug fit. Velcro ensures a snug fit | Fender Cover, For 12" x 24" Fenders in Black