The inside is coated with a matte black iron glaze. On the exterior, a base glaze mixed with coarse sand is first applied by brush, then layered with another coat of black iron glaze to create a raised, textured finish. The layering process results in a complex, tactile surface.

There are no issues with water leakage.

Due to the use of coarse clay, there may be slight water staining if water is left in the piece for several days, especially at first. However, if this occurs, it will stop over time.

Country of Origin: Osaka, Japan

• Not intended for microwave or dishwasher use.
• Hand wash only with neutral detergent and a soft sponge or cloth to preserve overglaze colors and decorative finishes. Avoid abrasive scrubbers, scouring pads, and cleansers.
• Do not use on direct heat such as in an oven or on a gas stove.