Cast iron has great heat retaining abilities and can be used on any heat source. Classic in a modern design, solid material for all your cooking needs! Oven safe up to 400 Degree. It should be washed by hand in warm, soapy water, rinsed in warm water, then dried immediately with a soft cloth. Detergent which is made for hand washing should be used. Not to be put in the dishwasher. Harsh cleaning products which are based on citric acids or those containing chlorine bleach should be avoided.