I'm assuming it's a URO kit you are talking about. While some URO pieces will be fine others are different enough to be problematic when fitting or worse their functionality.
I just had to return the rear softop seal because it was not formed property. I returned to Autohauzaz and bought MB.
I also just noticed just noticed my right window soft top seal is also malformed making rolling up windows difficult.
The URO A piller seals have fuzzy felt on it. MB version does not.