Monte Carlo Fashions — Size issue

I ordered 2 cardigans and there is a size issue with them. I contacted there phone and email thousand times but no response from there end. I have never seen an app which doesn't have a return option and you have to return it over phone or email. These guys are disaster. You should shut your online service. I have never seen an app like this. I wanna use a vulgar language for them as bcoz of them my money has been a put on a waste.