L'Essentielle

I understand that you can't exchange it because it was a clearance purchase and therefore cheaper, but the size doesn't fit. It's too small, even though I took the "recommended" size on the site (it was advertised that the swimsuit was a large size and that you should take the next size down. So I took an S (I'm normally an S-M), and the swimsuit is too small. What's more, there are defects on the swimsuit that weren't advertised either. I end up with a swimsuit that I won't wear, what a waste.