焼締の磁器の取り扱いについて
Regarding the handling of porcelain with a baked-in pattern:
 
吸水性のないつちなので茶渋やシミは表面的な汚れです。スポンジで洗うと綺麗になります。もしスポンジで取れない茶渋が付いたら市販の台所用漂白剤で漂白できます。
Since it is non-absorbent earthenware, tea stains or stains are superficial dirt. They can be cleaned by washing with a sponge. If there are tea stains that cannot be removed with a sponge, you can bleach them with commercially available kitchen bleach.
 
type5について
＊外側は無釉、内側は透明釉がかけられています。
また、虫喰いには個体差があります。お選びいただけませんのでご了承ください。
The exterior is unglazed, while the interior is coated with a transparent glaze.
The patterns of insect damage vary among individual pieces.
Please understand that you cannot choose.