NWOT Sundress with lining/slip built in

NWOT beautiful sundress with tie shoulder straps. There is a zipper in the bodice in the back for a more fitted bodice look. Teal background with multicolored floral pattern. Approximate measurements seam to seam- Underarm- 18 1/2” Waist 15 1/2” Skirt length-23 3/4”