The concept of Zero Japan teapots and cups is based on three principles: The products should be attractive, nice to touch, and functional. Zero Japan’s products are stoneware (baked at 1200°C). The company is based in the Mino pottery region, which has a pottery history of about 1300 years. Special features : The lids cannot fall off and break. The lids can be removed for easy cleaning. The spout is developed not to drip. The glaze is strong and smooth. Standard, crackle and mat glaze. The colours are bright and clear and come in a large variety. The removable stainless filter; one fits all models. Please note that the colour shown in the image is only for illustration purposes.