Standing 9" tall is this Marmit Vinyl Paradise version of Hedorah! The smog monster has many colorways across his different sofubi incarnations but this one harkens back to his "classic" look (and the 1993 Bandai release) - gray with subtle reds and yellows.
There is some paint wear on the head - see photo.
No packaging.
Hedorah (Marmit, 2000)
Marmit