The cast iron teapots are a testament to remarkable craftsmanship. Japanese cast iron is renowned for its aesthetic appeal as well as its practicality. Each teapot is meticulously crafted by hand, using a rare sand casting method that has been passed down through generations of Japanese tradition. The arduous production process involves up to 40 individual stages, resulting in a truly unique piece every time. To maintain the teapot's beauty, it should be washed by hand and the exterior dried thoroughly after cleaning. Before its initial use, please ensure that the teapot is cleaned thoroughly. 40 fl oz.