Maybe it was something like this? https://old.reddit.com/r/nextfuckinglevel/comments/1bmpxaq/thais_native_fireworks/ https://old.reddit.com/r/nextfuckinglevel/

Maybe it was something like this? https://old.reddit.com/r/nextfuckinglevel/comments/1bmpxaq/thais_native_fireworks/ https://old.reddit.com/r/nextfuckinglevel/comments/1bmpxaq/t... The diameter seems to match.