Cleans & polishes. Brass. Copper. Stainless. Chrome. Aluminum. Pewter. Bronze. Quality for over 100 years. Cleans & polishes a variety of metals providing long-lasting smooth, polished surface and brilliant shine. Contains no phosphorus. www.rbnainfo.com. Questions? 1-800-228-4722. For ingredient information, www.rbnainfo.com. Made in USA.