Authentic Saint Laurent Sleeveless Shirt with Sequin and Beaded Stars It says it is a size small. It is oversized for that. The arm holes are open so I would wear a black band under the shirt It is sheer and not stretchy. It is 100% silk. See measurements and material info in pics. Please do not hesitate to ask questions questions or for me to add more pics to the listing. Bundle with other items to save even more money! Sorry, no trades.