It is from Argentina. I used it a dummy, but would never use it on a real cake as it contains gelatin. It has a strong odour - really "chemically". One of my employees tasted it and said it had a gross fake flavour. It was hard to knead...
But seriously now, are you a business or are you a charity?
Reading your post made me angry. Not at the client, but angry at you for being a doormat.
Get you some cakeballs, girl, and stop letting the clients run your business.