Heavy duty pads for tough cleaning jobs. Durable nylon fibers won't rust. Makes your life easier! Designed for tough cleaning jobs like cast iron pots and skillets, stove burners, grills, white-wall tires. Not recommended for glass, plastic, porcelain, non-stick cookware, or highly polished surfaces. Satisfaction Guaranteed: Since 1906. People have trusted O-Cedar for over 100 years to make their lives easier with dependable products that help get their cleaning jobs done right. If you are not completely satisfied, please return product to us with your sales receipt for a replacement or refund. Visit us at: www.ocedar.com. Made in China.