GRL Grail Back Ribbon Shoulder Frill One-Piece dk1188 Charcoal, Size M Worn only once, no noticeable stains The following is quoted from the official website: This one-piece has a wide silhouette with a moderate amount of volume, giving it a sophisticated, mature feel. The back style is open, adding a sense of casualness, and the ribbon adds a feminine touch to the back. The vertical shoulder frills also allow for a feminine look. You can wear it alone, or layer it with a knit or T-shirt underneath for year-round wear. ★The back is open.