A revolutionary dry powder formula chemically developed to remove all organic stains such as mildew, mold, and other fungus. Also removes dirt and brightens soiled material. Mighty Brite is perfect for vinyl, cloth, Sunbrella and canvas materials (not suitable for silk, leather, or wool). Mighty Brite is non-toxic and biodegradable, will not cause damage from over-use and is safe on all colors. 16 oz. (makes 4 gallons).