I mishear the Mr Kipling “exceedingly good” cakes commercial where the little girl says “GOUT!”

… or, as I decided upon mentally rewinding, “Ge’ out”.

But I digress.

OP, are you certain that you did not send in a box? That seems to me to be the most likely scenario - that you may have paid eBay for a satchel but forgotten… and sent a box.