Zara classy summer dress

Classy blue and white color block dress by Zara basic. Total length of dress is about 33 inches (blue part is about 14.5 inches long and white part is about 18.5 inches long). Where the blue and white meet is about 12.5 inches wide. Bust is about 18 inches wide. The white skirt portion is stretchy. Hidden side zipper. ***note in the last two pictures there are some tiny stains on white portion of skirt that can we washed