antiqua, OWNth Line-Switching One-Piece Dress, Black/White Available in two sizes: Regular and Plus. This listing is for the "Regular" size. (It's not a size M, so I've selected the "Free Size" option.) Please check the size chart at the end of the photos. Zip-up design line-switching one-piece dress, with a stylish flare silhouette. Instant purchase is welcome! Feel free to comment if you have any questions (^^) I also have many other apparel items for sale! I offer bundle discounts, so please take a look at my profile ╰(*´︶`*)╯♡