(Body)Rayon70%, Polyester25%, Plyurethane5% (Skirt)Polyester100" (Back fabric)Rayon100" * Size(cm):M(Shoulder36,Bust80,Hem82,Length86,Sleeve25,Waist switching38,Cuff15), L(37.5,84,86,88,25.5,40,15.5), XL(39,88,90,90,26,42,16), XXL(40.5,92,94,92,26.5,44,16.5) * attached a fastener on the back. * To nurse easy: There are nursing hole under the twofold switching of neckline. You can nurse only pull up the front fabric. * A Note About Sizes: For a better fit, when you ordering SweetMommy"s wear, we recommend that you select one size larger than usual.