Whilst our caravan covers aren't machine washable, they are still easy to maintain. All you need is a hose and a soft brush. We would suggest that you don't use harsh detergents or gurney type water cleaners to wash your caravan cover. Whilst they are great protection against the harsh environment, they aren't impervious to harsh chemicals or high-powered water jets. If you regularly maintain your caravan cover, you should get the longest life possible out of your caravan cover.