Not as great as all the reviews
This didn't do it for me.  My hair is thick and easy to curl.  The grip or clamp on both the curler and the straightener - particularly the straightener - wasn't there.  My hair just slid on through without curling or straightening.  I don't know how thin hair would have a chance.  Maybe the one I received was defective.  I returned it.
Rating: 2 stars