Purple, one-shoulder, Niteline evening gown

Deep purple evening gown by Niteline. One shoulder, with a drapey bow detail on one shoulder. 2-layer fabric - shell is 100% polyester, lining is also 100% polyester. Has some ruching across the bust area and in the upper torso. Back zipper. FLAT measurements: approx 16 inches armpit to armpit; length is approx 43 inches from just under the bust area. I purchased new and wore it one time. Great dress for any formal event, a wedding, or even prom.