What Should I Put Inside Clear Glass Christmas Orn...

We are having a late November Christmas theme wedding and I found a great deal on clear glass ball ornaments (144 for under $50). We are going to put ribbon on them for hanging with a tag that will be the place card for each guests seat. I don’t really want to put our names or date on them because people don’t need to remember our wedding forever with a Christmas decoration, I want them to be able to just put a...