I ordered the large size bed and when it arrived I was shocked to see how small it was.  I immediately measured it and compared to the dimensions online, and it is 3" short on the width.  3" may not seem like a lot but my dog has degenerative hip disease and she can't lay down as she needs to in this small size.  I would like to mention that this is the third product within 1 week's time that has had incorrect dimensions listed on the Wayfair site.  I emailed customer service to verify dimensions on 2 other products - one was off by 16", and an inquiry on another product resulted in an unsatisfactory, canned response that proved the rep did not even read my question.