I placed my order for a small but need an extra small one small has already made it and being returned because it dosnt fix (went with the instructions in description and my dog measured in between so got the larger for comfort) and it is really baggy on her is it possible to get a extra small mailed instead of the small and happy to pay the dollar difference pleaseI placed my order for a small but need an extra small one small has already made it and being returned because it dosnt fix (went with the instructions in description and my dog measured in between so got the larger for comfort) and it is really baggy on her is it possible to get a extra small mailed instead of the small and happy to pay the dollar difference please