The Best Care for Cast Iron Cookware Our extra large chainmail scrubber is tough on food but gentle on your cast iron cookware. Woven loops of surgical stainless steel remove food without harmful detergents. It's a safe, fast and easy way to clean your cast iron pans. Just run pan under warm water and scrub. Extra large size is great for cleaning larger pans. More sanitary than a scouring pad. Dimensions: 8" x 6". Origin: China.