Crinkly sheer totally see through very lightweight gown or could be worn as a coverup or long dress.  Wide band of lace at hem.  I believe it was made to have a wrinkled effect as I steamed it but the wrinkles didn't come out. 

Very good vintage pre-owned condition with no known flaws

Tagged One Size but according to Standard U.S. Apparel Chart measurements it is estimated that it would fit up to a modern large. 

If you're unsure about size and fit, measure a similar garment that fits well and compare to approximate measurements taken with garment laying flat. 

Double measurement for pit to pit, waist & hips if applicable

Pit to pit 19

Waist 20

Hips 22

Length 51

Noting there may be a slight variation in color due to camera and/or lighting conditions.