Wood-fired cobalt blue small tea jar / mat jar

・Only one piece. ・It is hand-made by firewood, and there is a lot of ash. It is inevitable to polish the edges, corners and bottom of the lid. Perfectionists please refer to this. ・There are cracks, black spots, or cracks after using it for a while. ・Photographed in natural light, there may be some color difference, please contact me if you need more information.