Entered my cars registration into eBayGarage, it came up with a car but said 2015, not 2017, but i trusted ebay as engine model was correct.

Bought window wiper blades as eBayGarage said they fit my car. 

Went to fit them but wrong fitment on new wiper blades.

Where do I stand? Seller had described them correctly, I entered correct number plate registration, but eBayGarage got it wrong.

I don't want seller out of pocket for return postage, and I don't want to be out of pocket for postage, its eBay thats got it wrong.

Any positive meaningful help appreciated, regards Peter.