ReviveX Wash-In Waterproofing is a highly-concentrated formula with twice as many applications as other wash-ins. Just pre-wash with ReviveX Synthetic Fabric Cleaner, add one ounce to your sink or washing machine and air dry. It'll add a protective layer to fight the elements, without impacting breathability. You'll be extending the life of your favorite cover, rain gear, fleece, or other garments. Plus, it's fluorine free and guaranteed to perform. This purchase is just for the Waterproof Soak.