100% lyocell. Stretchy! Side zipper and adjustable ties. See last few pictures for defect. There is a small hole that appears to have been stitched over at the bottom of the zipper on the left hip of the dress. Note that the cover shot doesn't have the exact same pattern placement as the actual item which is shown from images 2 and onward. Measurements: Hip: 15" Waist: 14" Very stretchy though