Michael Kors chain halter dress size 6

This is a Michael Kors sleeveless sundress with a golden chain halter strap. It is a zipper up back with a golden Michael Kors tag. The dress is blue and green and is approximately a size 6. The tags have been cut off so I am estimating by the size from armpit to armpit. If you require further measurements, please let me know. There are no stains rips or tears on this dress and it isn’t very good used condition. If you require further measurements, please let me know.