This is a thin rug which is perfect for a dining room.  I purchased the same size pad to go under it as well.  The pad ended up bring a bit bigger than the rug and I will need to trim it.  The rug mostly laid flat pretty quick except the end that was rolled first and tight.  The corners want to stick up a little but appear to be flattening more over time.  This picture was taken after laying out 24 hours.