This is a beautiful dress and based on H&M’s website, it runs large, so those who wear a medium or Large can get away with this beautiful dress. This dress is new without tags. Forget what I have to say, here’s what H&M says about this dress: Calf-length dress in airy, woven cotton fabric. Ruffle-trimmed shoulder straps, low-cut neckline at front, and an elasticized section at back with gathers. Unlined. Composition Cotton 100% Material: Cotton Materials in this product explained Cotton Cotton is a soft and versatile natural fiber harvested from the cotton plant. Great quality - like new - never worn - one owner Please let me know if you have any questions. Happy shopping!