Vintage retro cherry themed dress size 7 juniors

Vintage retro Patty O’Neil feels like polyester ( no material tags found) white / blue cherry themed dress. So cute and flattering! No flaws found. Zips ip the back. It’s a juniors size 7. I’m a size 6 and can wear it. My mannequin is also a size 6 so you can see the fit. Measurements are under arms across chest 15” but has stretch, across back shoulders 12 1/2”, overall length is 41”.