A "clear file" is like a translucent or transparent file folder that can hold looseleaf papers. I think they're popular in Japan, as that is where all the clear files in my house have come from.
A can badge is just a metal badge with a pin on the back so you can affix it to clothing. Something like this, likely:
https://www.justbuttons.org/1-square...xoCwyMQAvD_BwE