One shoulder knit black dress is sz S I’m 5’5” 122 lbs White swim cover up is sz S White crochet swim coverup skirt is part of the set with a swim suit - sz S It is cotton material. Striped vest is sz S Chanel inspired flats are true to size (use code JUSTGLOW for 10% off)LTKSummerSales LTKOver40 LTKSwim