What they are is adorable big fluffy balls of squishiness! And lol, I know that's incredibly unhelpful, but unfortunately, I can't seem to paste photos here, because I'm using my iPad. If you check out the link, you'll see.

http://www.squishable.com/

They're Plush animals, designed to be big, round and huggable, and apparently they've been around for about five years. Can't believe it took me until now to discover them...