2 pc sleeveless summer dress

Two piece summer dress with short sleeve ‘jacket’. Jacket has 1 button closure at the top. No zipper or buttons on the dress. The jacket has a tag with 2 on it, the dress has a tag with 3 on it. Not sure if those are just inspector numbers, the price tag has size Large. Dress: Armpit to armpit: 19” Armpit to hem: 42” Jacket: Armpit to armpit: 21” across the back