DANI COLLECTION white butterfly cotton dress/NWT

Size is marked as a M but I would say this is more of a small so please just go by the measurements to be sure. Cotton, zips at back. Strapless /elasticized at back Pit to pit-15.5" (stretches to 17.5") waist=13.5" Length on side=26" cotton lined skirt. Butterly floral print and lightly padded front. New with tag.