Lustro Italiano Stain Remover Poultice Powder contains stone-safe surfactants and diatomaceious earth to remove stains out of stone. By utilizing the stain process reversal technique, Lustro Italiano Poultice Powder draws the stain out of the stone. Designed to remove stains such as oil, grease, wine, tea, coffee, and other organic stains out of granite, marble, travertine, limestone, terrazzo, concrete, brick, sanded grout, etc. Simply scoop out the needed amount of powder. Apply water to make a toothpaste consistency. Cover with plastic wrap and make several toothpick holes in the plastic wrap. Within 24-48 hours after the powder has dried, remove the poultice and the stain will be gone! 8-ounce size.