I had one small tin, 2 medium and 1 large, so I made tags that fit in those sizes of tins.
Here's tin #1
here for how I made the tags.
Here is the inside:
The next 2 tins are the kind you buy in Michaels meant to put gift cards in. I put Washi tape along the side of the lid to hide the pattern and decorated the top.
I had a few other tins that I have already sold. My customers seemed to like the tags in a tin idea.