A good quality black t-shirt with the Bujinkan Dan Grade (1st - 4th Dan) badge/patch on the left breast. .
Underneath written in kanji is 'Bujinkan Dojo' -
武神館道場
The Daishihan Patch is made with flock vinyl
This is only for 15th Dan who have also been promoted to Daishihan.
15th dan is not automatic promotion to Daishihan.