I think foldable is referring to something pretty different than a Stag and Doe. She’s referring to a joint bachelor/bachelorette party that is just like a regular bachelor or bachelorette party, but with both halves of the couple (and all of their friends) in attendance. So, you might go to a comedy club, out to…

The linked document is a trademark application. I’m not sure if she’s also legally changed her name, but it looks like, for now, she just wants to trademark it.

I know online swimsuit shopping isn’t for everyone, but have you tried Asos? Lots of good options up to a UK G for $50-$60 a suit. Fig Leaves also has a lot of options for slightly more (think $60-$75), but still less than $100.