This 420 Mooring Deck Cover, Part No. 8434, is crafted from durable Top Gun canvas fabric and is specifically designed for everyday storage of your 420 sailboat. Its wraparound mast collar and three (3) heavy-duty zippers make it easy to secure around the stays and trapeze wires. Additionally, a bow vent allows for proper air circulation and the heavy-duty shockcord and quick-release buckles ensure a snug fit. For added stability, the cover features two grommet tabs that allow you to tent it using your halyards.