No leaks. Cracks are visible on the inside (photos 5 and 6), but not on the outside. I filled it with water for a day and there were no leaks or stains. It appears to be cracks in the inner coating. Apart from that, both the exterior and interior are clean with no signs of use. It's a manageable size, so it would be suitable for pickling vegetables, storing miso, as interior decoration, or for storing small items. Marked with "Akogi-yaki". No box. Please check the product condition carefully in the images before purchasing. Size: Diameter: Approximately 10cm W (Maximum width): Approximately 15 cm H (Height): Approximately 15 cm Akogi-yaki is pottery made in Tsu City, Mie Prefecture. The name comes from the place name, Akogi-ura. It follows the tradition of Banko-yaki and has a history of over 200 years. It is a designated traditional craft of Mie Prefecture.