Protectant for canvas upholstery and breathable foul weather gear.303 Marine and Recreation Fabric Guard restores lost water and stain repellency to fabrics. It resists water—even when youre on the water—by creating a powerful shield to greatly increase repellency and protect against oil-based stains. Spray it on outdoor leather seats, boat covers, awnings, Dacron sails and even outerwear. Keep all your favorite canvas crisp and clean for years to come. Unique and exclusive protectant for Sunbrella upholstery. For the best results, thoroughly clean the fabric with 303 Multi-Surface Cleaner before using.Key featuresSafe for all fabrics, including natural fibers and syntheticsProtects cockpit cushions, curtains and canvas from outdoor elementsSeals seamsRestores lost water and stain repellency to factory new levelsKeeps fabric dry to help prevent moldingProvides strong resistance against soilingProtects against water-based and oil-based stainsDoes not alter fabric color, feel, flammability or breathability