Anthropologie Petticoat Alley womans size M Floral Handkerchief Hem Babydoll midi dress asymmetrical hem line tie straps can wrap around front or back and tie or leave untied black background with multicolored paisley floral design triangle top babydoll dress sleeveless adjustable spaghetti straps great preowned condition art to wear artsy boho fairy cottagecore Y2K 100% rayon measurements in photos flat laid