Green flutter sleeve min dress size medium

has Normal sign of wear on it but nothing damaging or noticeable. the brand tag and the wash tag are blank so I don't know how what brand, size or material it is made out of. my guess would be like a polyester rayon blend but not to sure. I put medium as the size based off measurements so please see measurements for sizing. flowy mini Green in color scrunch around the waist line round neck line casual summer sun dress spring has like an under shirt type thing inside of the dress. feminine Light weight brand unknown size medium pit to pit measurement is 15.5 inches height from. top of shoulder to bottom is 34.5 inches waist measurement is 15.5 inches opening at bottom is 25 inches