Collectif brand wiggle/pencil dress. UK size 16 = US size 12, but this fits more like a size 8. This was altered from the original halter top to have two straps, but the fabric remains inside if you would want to change it back. Worn once for prom, the back slit looks frayed but isn’t ripped. Approximate measurements: Pit to pit: 17” Waist: 16” Length: 40”