Enameled cast iron delivers superior heat distribution and retention. Ready to use requires no seasoning. Easy-to-clean and durable enamel resists dulling staining chipping and cracking. Light colored smooth interior enamel allows easy monitoring of cooking progress. Tight-fitting lids are specially designed to circulate steam and return moisture. Ergonomic knobs and handles are designed for easy lifting. Lightest weight cast iron by quart on the market. Compatible with all cooktops and oven-safe up to 500F. Dishwasher safe hand wash recommended.