Desigual short sleeve dress with shear upper back and sleeves floral pattern

In good pre-loved condition. No rips, holes or stains. Minor pilling on bottom hem and one side (see last photos). Black background with vibrant large floral Zip up Sheer upper back and sleeves NO SIZE TAG, I am estimating this to be a size medium. Please review measurements below (and in photos) to ensure the right fit for you. Approximate laid flat measurements: Pit to pit: 18.75" Overall length from shoulder to bottom hem: 35" Approximate waist from side to side: 16.5" Arm opening side to side: 4.5"