303 Fabric Guard is safe and effective on all synthetic and natural fabric's and blends. For polyesters. nylons, acrylics, olefins, cotton, wool, silk, and natural leathers including suede. Manufacturer recommended for automotive fabric convertible tops and marine canvas. 303HTFG won't change feel color breath ability of flammability of fabric and is non-toxic and order less when the fabric has dried. Recommended by & for Sunbrella
