From Universal Standard: “We’ve redesigned one of your favorite styles from our archives. The Avenir Dress is back. This sophisticated shift is made from our lightweight satin twill that feels like butter and drapes beautifully.” Fabric 95% Viscose 5% Elastane Care Machine wash cold with like colors, do not bleach, line dry, iron low if needed. Universal standard size M which is equivalent to US 18/20. Boxy straight cut, could fit a 3x. Very soft and comfortable, looks luxurious and chic.