Cynthia opal blue midi skirt dress. - Blue

The opal blue Cynthia dress has a beautiful cut at the waist that helps to stylize the figure. The midi length of the skirt is ideal and very comfortable. Ecological women's clothing made of fair trade GOTS organic cotton. 95% organic cotton 5% Elastane. Designed with ♥ in Barcelona. Ethically made in India. For a sustainable fashion. What is my size?