The 2 with the dark blue dresses have the darker smaller muslin. It also feels more brittle delicate than the other muslin. I think it ws added later maybe by my mom just not sure. There isn't any more of the muslin like the others I planned to hunt at hobby lobby or Joanns for some, maybe I should mix bleahed and I bleached ? Just dunno...the dark blue ones are for sure ones she did some of the others I think I applauded on because the thread mathes