NWT This adorable dress features ribbon texture, a sweetheart neckline, and soft molded cups for a flattering silhouette. Made from a stretchy soft cotton blend with adjustable shoulder straps. Measurement is armpit to armpit: Size M: 15” Size L: 16” Size XXL: 17” 57% cotton 38% recycled polyester 5% spandex Machine wash cold gentle cycle and tumble dry low.