Size: M Color: Dark Navy C58-57030 I think this is a simple piece that can be worn for a casual outing or a slightly formal occasion. - The waist on the back side is elastic. - There is no zipper for taking it on and off. It's a type of dress that you put on by removing the pearl-like button on the back (see image 3). - No lining Please understand that this item is stored at home.