Permanent water-guard is a solvent free, water-based fluorocarbon polymer water and stain repellent. Engineered for naturally absorbent fabrics like cotton, nylon, polyester, wool, rayon, canvas, etc. It is non-yellowing and dries odor free and without UV brighteners. Water beads up and runs off, leaving fabric dry, soft, and breathable. One bottle will treat 2 to 4 garments. 17 fluid ounces.