303 Multi-Surface Cleaner will safely remove stubborn stains from any indoor or outdoor fabric. 303 Multi-Surface Cleaner has a biodegradable formula that removes oil, grease, dirt, coffee, tea, juice, wine, and pet stains from any water-safe indoor and outdoor fabric. Use 303 Multi-Surface Cleaner full strength on tough upholstery stains and on mildew stains, on awnings and other outdoor fabrics. The powerful cleaner will remove rust, mildew, and other stains from patio umbrellas, tonneau covers, fabric convertible tops, patio furniture cushions, and much more. 303 Multi-Surface Cleaner is recommended by Sunbrella (fabric manufacturers) for maintaining their indoor and outdoor fabrics. 303 products manufacture some of the most advanced cleaners and protectants in the world. Without toxic chemicals, ammonia, soap, detergent, or solvents, 303 Fabric Cleaner removes stains and restores fabric to like-new condition. After cleaning outdoor fabrics, shield them from the elements with 303 High Tech Fabric Guard (sold seperately). It will keep your canvas car covers and convertible top clean and water-resistant.Use on fabric vinyl surfaces in the car or at home. Non-flammable and non-fuming. Contains no caustics or acids. Can be used full-strength or diluted with water. Safely removes difficult stains, including dirt, oil, grease, coffee, tea, ink and pet stains.