Did you open a case through Ebay?
If you do, they expect the seller to provide a label and if they don't, you can ask Ebay to step in and help you.
When that happens, Ebay usually provide a label on the seller's behalf and charge them or they refund you without needing you to return the item.
"There are two ways to be fooled. One is to believe what isn't true; the other is to refuse to believe what is true.”
Søren Kierkegaard, Danish philosopher (1813 - 1855)