Sweet Mommy Maternity Flare Midi Skirt Polyester 95%, Polyurethane 5% [belly panel] Rayon (bamboo fiber) 95%, Polyurethane 5% [liner] Polyester 100% Flare midi skirt for before and after childbirth Size(cm): M(Length[skirt]70,Length[belly panel]21,Hem98,Waist64-90,Belly76-1006), L(72,21,102,68-94,80-110) transposable belly panel is made of bamboo rayon. A Note About Sizes: For a better fit, when you ordering SweetMommy's wear, we recommend that you select one size larger than usual.