NWOT…woman size large per tag but believed to be a small New Pink dress

NWOT New Pink tag says L but it’s a small armpit measures 10”, halter style but tie at back of neckline, open back with 3 spaghetti size straps across back, length is 23”, fabric is 95% polyester & 5% spandex lined same fabric, colors are pink with red very good condition cc