Whilst barely understanding what you have written, I can only assume you never opened a dispute?

You've been a member since 2008, so surely you would know how to solve issues by now.

All you had to do was open a case for "Item Not Received" and since the seller never sent the bag, you would have received you money back. You can STILL open the case, so why don't you? All the tools you need are right there at your fingertips. YOU DO NOT NEED TO COMMUNICATE WITH THE SELLER.

Open case, get refund, finished.