I looked at their website awhile back and contacted  them via phone and email  regarding a shade for my windshield. They said they didn't know if the ones they had would fit a 2013, but it would fit a 2012 , I asked them to call the coach manufacturer to see if the dimensions had changed from 2012.....  they'd  said they would get back to me.... that was 2 months ago... never heard from them. 
  Based on that lack of response, I'll go with Prompt Shades... I've had good service from them on our old coach and they go up easy.  They are much more reasonably priced than the Magne Shades.