Cast iron maintains even and consistent heat. Oval shape is perfect for longer cuts of meat. Exterior enamel is shock resistant and resists chipping and cracking. Interior enamel has a smooth finish that prevents sticking and resists stains. Dome-shaped lid locks in flavor and promotes continuous circulation of heat and moisture. Wide loop handles. Stainless steel knob is safe at any temperature. No seasoning required. Safe to use on all stovetop types as well as outdoor grills. Dishwasher safe.