Classic Accessories storm Pro heavy-duty boat covers are made with heavy duty 600D polyester that is PVC-free. High strength polyester storm Pro fabric designed for extra durability and all-weather protection. Fabric coating technology and heavy-duty fabric for maximum water-resistance and repellency. Resistant to structured vents stay open to prevent wind lofting & are lined with mesh barriers and sun damage. Find out below why buying a cover from us is one of the best choices you can make. When you buy a Classic Accessories boat cover you are not just getting a cover; you're also purchasing peace of mind. Not only will your boat be protected from the elements, but you..