When using for the first time, wash in water with dish detergent. Do not use scrubbers or cleansers. Do not use the dish dryer. When children use it, please use it with their parents. Please check the safety of your surroundings before use. When using hot rice, be careful not to get burned. Do not use the main unit in an oven, toaster oven, or microwave. If the product is deformed or damaged, please stop using it immediately. Do not place near fire or heat sources. Do not use for purposes other than the intended purpose.