Staub 16-5/8-Quart Oval Sumo Cocotte, Black Matte Sizeable French oven's durable enameled interior doesn't need seasoning Made of cast iron with enameled black matte finish inside and out Features cast-iron handles and lid, ceramic base, and innovative self-basting spikes under lid Hand wash and dry; best used at low to medium settings; oven-safe to 500 degrees F 16-5/8-quart French oven measures 17-3/4 inches in diameter; lifetime limited warranty