Miss Sweetheart of Swing Dress (Large) Fabric: 97% Poly, 3% Spandex. Cross over bodice with halter straps that tie in the back. Swing skirt. Sizing Tips - This fabric is very stretchy--almost like a swimsuit--and there is elastic in the back of the bust. Small fits: Bust: 32-34", Waist: 26-28", Hips: Free, Length Waist to Hem: 18" Medium fits: Bust: 34-36", Waist: 30-32", Hips: Free, Length Waist to Hem: 18" Large fits: Bust: 36-38", Waist: 34-36", Hips: Free, Length Waist to Hem: 19" --- XLarge fits: Bust: 38-40", Waist: 38-40", Hips: Free, Length Waist to Hem: 19"