Steel material lasts longer than steel wool. Makes your life easier! Not recommended for non-stick 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.