No Paper Mail Art

If you make a non-paper ATC, does it need to be sent in a non-paper envie as well?

something like this I'd like to see two versions: USA & Int'l. I have loads of ideas that are package size but cant afford to send outta USA.

What about paper mailing label? And return address label?

Probably need a leeeeetle clarification: "you can make a ATC, a postcard a envie" YOure saying these items can be made but just not out of paper, right?

Yes, you could make an ATC or postcards, from many things, like fabric, wood, clay, or shrink plastic, or by weaving fibers....and many other ways then paper. You could paint a CD and address the back side ( I have done this many times), or burn some wood (pyrography) or simply mail something unusual like a toy or a fan, or a shoe, etc. You may use mailing labels, and if you choose to make an ATC, you can certainly mail it in an envelope. So your swap item must be non paper, not necessarily how you mail it. So if your swap item is a postcard then it should be non paper. If you make a bookmark (or other item) as your swap item, then that should be non paper, and you can mail it in an envelope. In the future I may make two versions, but for this one it is International. Sorry for any confusion.

Here's an amazing pyrography postcard