Large size but runs small
This bonnet gets the job done but it is smaller than I anticipated. The band around the head is tight so it won't slide but it is a little too tight and my head is about average size.  It would have been more functional if the band were adjustable. I like that it has some sort of hair product on the inside that is supposed to nourish your hair but due to that it also says not to wash it which is a problem.
Rating: 3 stars