As advised, once you refund the buyer, they can't access the label or send the item back.
You should never refund until you get the item back.
If you still want it back, you will have to contact the buyer and try to organise a return.
"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)
