Sweet Mommy Maternity and Nursing Summer Maxi Dress 95%Cotton, 5%Polyurethane [Moku Grey and Navy], 77% Rayon, 17% Polyester, 6% Polyurethane [Khaki-Border and Black-Border] Affordable Maternity and Nursing Summer Maxi Dress. Available in broad size spectrum: S, M, L, LL(XL). For American sizes we recommend the following ratio M 2-4, L 4-6, LL(XL) 6-8. Measurements information in inches: M fits to Bust 35-39. SIZE L fits to Bust 36.5-40.5. SIZE XL fits to Bust 38.5-42. Measurements information in CM: SIZE M fits to Bust 90-100. SIZE L fits to Bust 94-104. SIZE XL fits to Bust 99-108. Plenty of belly room, nursing access, maxi length, low neck line.