Helmut Lang White Wrap Dress size 0

Beautiful helmut Lang dress in a size 0, warn only one time and has no tags attached. Has some light stain on the inner part of the shoulder, Please view images carefully for details of this. The back has a wrap section, and has a very modern clean feel. If it's true to size, and it would be helpful if you knew your size in the brand. The color is slightly off-white and not pure bright white.