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: SH015 220717) which ensures that no hazardous substances are present Produced in BSCI (Business Social Compliance Initiative) certified factories, which aim to improve working conditions throughout the supply chain Made with care in China