Quince Washable Silk Stretch Tee Dress. Worn and washed once. Crafted from 90% mulberry silk for luxe feel, and 10% spandex for a little stretch 19mm fabric weight for a premium drape and hand-feel Button keyhole opening at back neck High,Low hem shape at bottom hem This material is certified by OEKO-TEX Standard 100 (Certificate Number: SH050127759) which ensures that no hazardous substances are present Made with care in China