For those looking for Tianhuang stone, or for those who love seals. Size: Width (max) 5cm x Width 2cm x Height 5.3cm *Please understand that there may be some error due to amateur measurement. Weight: 90g Tianhuang stone is famous as a high-class material for seals. This item is similar to Tianhuang stone and can be used for interior decoration. When purchased in China, it was described as Tianhuang stone, but it's probably different (I'm not sure). It's not Tianhuang stone, but it looks very similar. Recommended for those who like seal carving, those who like seal materials, and those who want high-class seal materials but can't easily obtain them. It can also be used as interior decoration for calligraphy classes and shuji (penmanship) classes.