Model is wearing a size medium. Fits true to her size. 65% Polyester 35% Cotton. Lightweight and stretchy material. Recommended to wear proper undergarments, as it is a sheer fabric. Smocked detailing on body of the dress with strings to create ruched appearance. Functional adjustable front strings to achieve desired length. Shear puff sleeves with smock paneled accents on wrists. Can be worn on or off the shoulders!