Master Fender Covers F-10 - 20" x 50" - Double Layer - Black [MFC-F10B]F 10 20" x 50" Double Layer Black The F Series are double layered making them softer, more durable & reversible. Master Fender Covers are specially designed to protect the topsides and hull from fender scuff and reduce the need for expensive gel coat repairs. They are made from a premium stain resistant, non abrasive, loop knit acrylic fabric, which is both durable and fade resistant. They are available in a variety of colors and sizes to suit your