Lodge Gray Enameled Cast Iron 6 Quart Dutch Oven Gray enameled cast iron Can be used on all types of cooktops Use with temperatures under 500 degrees F Requires no seasoning Enamel is FDA approved and non-reactive The right tool to marinate, refrigerate, cook and serve Unparalleled in heat retention and even heating Smooth glass surface wont react to ingredients Broil, braise, bake or roast in the oven up to 500F Saut, simmer or fry on any stovetop Allow cookware to cool. Although dishwasher safe, hand washing with warm soapy water and a nylon Scrub Brush is recommended to preserve the cookwares original appearance. Citrus juices and citrus-based cleaners (including some dishwasher detergents) should not be used, as they can dull the  exterior gloss. If necessary, use nylon pads or scrapers to remove food residue; metal pads or utensils will scratch or chip porcelain. Slight stains can be removed by rubbing with dampened cloth and Lodge Enamel Cleaner or other ceramic cleaner according to directions on bottle. Dry cookware thoroughly before storing. Do not stack cookware.