Thank you very much for viewing. [Product Overview] Product Name: Zojirushi Pika Pot Pot Inner Container Cleaning Citric Acid / Approximately 30g x 4 packets CD-KB03X-J Quantity: 2 This product removes calcium, minerals, etc. that have adhered to the inside of electric pots, leaving them clean. The product will be shipped via Yu-Yu Mercari service without the outer box. One outer box will be folded and included. Thank you for your consideration.