Waterproof your camping gear and rainwear with this concentrated, water-based urethane formulated to recoat worn areas on coated synthetic fabrics. Dries to a clear, flexible and long-lasting film with a nearly invisible, non-gloss finish. Ideal for tent floors, bivy sacks and hundreds of other items using synthetic fabrics. Apply prior to ReviveX water-repellent treatments. 8-oz. bottle covers up to 85 sq. ft.