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Nankei Pottery Tea Cup: Black Sumi-ink crazed Cup

The pattern on the cups are called crazing. The glaze reveals this unique pattern that occurred from how the clay and glaze shrunk throughout the making process. The dark color in the crazing is from the Sumi-ink, a charcoal based ink that was used.

The craze allows the color of the liquid that is held inside the cup seep through between its micro-fine lines, the craze will turn deeper in color as the cup is used overtime. You may notice a "pinging" sound until the initial crazing process settles down, but this is not a sign of defect or cracking.

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Product Details

Size:W74, H55mm (100ml)
Material:Stoneware
*You may notice pin holes on the surface depending on the item. This is a natural occurrence during the baking process.
This product is made of ceramic clay that contains iron powder. You may notice small black spots on the surface, but that is not a sign of defect or malfunction, but a character of the material.

To remove a tea stain, soak the pot overnight in diluted oxygen bleach (for tableware use) to clean. Then rinse and dry thoroughly to avoid any residual smell.

Do not use abrasive sponges, metal scrubbers, or cleansers to clean.

Not Suitable for:
・Microwave
・Direct flame
・Dishwasher

About Nankei

Nankei Pottery specialize in Bankoyaki, a traditional Japanese pottery technique practised in Yokkaichi, Mie Prefecture. The company produces high quality, durable kyuusu and tableware that reflects on Japanese lifestyle. Quality comes first when manufacutering items, and from molding to quality check, the entire process of making a single Kyuusu involves 13 procedures.