Betsey Johnson light blue sz 6 sleeveless midi dress like new

Betsey Johnson light blue sz 6 sleeveless midi dress like new v-style and open back 95% polyester 5% spandex Made in Vietnam please look at pictures, there are two spots with light stains on it, which you can barely see, it looks like they would come off with a good wash. summer, spring, mini dress, midi dress, light dress