Small + Medium loads 1 package. Large + extra-large loads 2 packages. Brightens whites. Safe on non-bleachable whites. Removes stains & yellowing. Rit White-Wash is Safe on: All fabrics that can be washed in hot water, including non-bleachable whites. Brightens dingy white fabrics. Removes yellowing and discoloration. Removes stains, such as grass, grease and lipstick. Chlorine bleach free. Works on cotton, linen, wool, rayon, silk and more. Works with all washing machines, including high-efficiency. Note: Multiple packages needed if using in a washing machine. Conforms to ASTM D-4236. ritdye.com. For more information and step-by-step tutorials, visit ritdye.com. Made in U.S.A. of U.S. and imported parts.