Material: 35% Rayon 60% Polyester 5% Spandex, light and breathable, high elasticity, super soft, great for pregnancy and partpostum nursing women. Detail: Summer nursing dress, discrete feeding design,lift up the front layer for breastfeeding. The maternity dress with A line design is for hiding your post-baby belly. Double layers on the top, you can totally get away with no bra. Size Refference: S=US 8 (Bust:31.69"), M=US 10 (Bust:34.05"), L=US 12 (Bust:36.41"), XL=US 14-16 (Bust:39.56"), XXL=US 18 (Bust:42.71"). Occasion: Perfect for home, casual, hospital, dating, party or gatherings. Suitable for Spring, Summer, Autumn. Washing Care: Hand wash / Machine wash, Cold / Do not bleach