Crafted from washable, 100% mulberry silk in a satin finish 19mm fabric weight for a premium drape and hand-feel Hidden elastic waistband for an easy, comfortable fit This material is certified by OEKO-TEX Standard 100 (Certificate Number: SH050 127759) which ensures that no hazardous substances are present Made with care in China and Vietnam Size medium. EUC. Ships in recycled packaging material from my SF/PF home in Georgia.