Refusing to accept return of a product

I received a Bauer eco stone pan as a gift. I took care of it according to the instructions on the packaging. In spite of this, about a month ago, the handle started to come loose. It was ok, but over time, it got more loose and is now barely holding on. In addition to this, the non-stick coating has started coming off and now the food is starting to stick quite a lot.Your website states:\ The white non-stick surface makes cooking a pleasure and cleaning a breeze. Even though it may discolour slightly over time