Originally Posted by TieDyesnButterflies
I was just looking again at the one on the etsy site, and it says its 18mm x 13mm oval. If they're all the same, then I'm guessing that's it. They also had a round one & rectangular one, but idk what size they are. And the oval looks nicer to me anyway. I'll start looking for a punch or die based on that size and I'll post what it is if I find it.
I'm pretty sure they are a standard size so that is probably it. That would be great if you'd let us know what you find.