Dallas Manufacturing Company Pontoon Cover. Whether you"re towing your pontoon up North, or storing it for the season... protect your pride and joy with this Reflective Polyester Boat Cover: Heavy-duty 300-denier polyester construction; Fabric treated for water repellency, UV and mildew resistance; Includes rope and bungee cords for tie-down. Model A: Fits 17"-20" with Beam width to 96". Model B: Fits 21"-24" with Beam width to 96". Get your Boat Cover today! Dallas Manufacturing Company Pontoon Cover