Its like nightgown material.  I died not pick up on that.  I ordered a small four a 12 year old girl so generally wears a ladies small but this may be too small for her. We'll see. I'm sure it won't last long due to the cheap material that will snag easily.

UPDATE - I was right.  This thing was coming unraveled in 2 hours of wear!  We hadn't even made it to the wedding!  DO NOT WASTE YOUR MONEY!