I site that showcases stuff like this has popped up a bunch of concept images for plushie keychains that were created for Pony Life. These in particular were created for the Asian and Europe market by a company called Maxx Marketing. If you've ever been curious about how this whole thing works, this is a good way to see it!
Check them out below.
From Behance.
Thanks to Ayu for the heads up!
