Shuisiqing summer maxi dress

Medium sized maxi sundress. Size medium. See photos for measurements from armpit to armpit, approximate breast size, and length of dress and width across the bottom. No pilling, snags, tears, or stains. forgive the shadows while laying flat taking photos. It is very flowing and cool breezy. I believe it is rayon however there is no fabric content label. It has a cinch tie at the neckline. The waistline is very stretchy and stretches to approximately 30 inches. It has some variation of most colors.