From the manufacturer: The ultimate day-to-night dress, our Washable Stretch Silk Midi Shirt Dress is crafted from best-in-class mulberry silk with a hint of stretch. We gave the classic shirtdress silhouette a modern update with a band collar, short dolman sleeves, and a rounded hem. Luxuriously soft to the touch with a gorgeous drape and customizable belted waist, this midi-length style is designed to flatter and feel good. DETAILS SIZE & FIT CARE Crafted from 90% mulberry silk for luxe feel, and 10% spandex for a little stretch 19mm weight for a premium drape and hand-feel Dolman sleeve ; Comes with a removable silk tie belt This material is certified by OEKO-TEX Standard 100 (Certificate Number: SH015220410.1) 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