Beautiful, washable silk Tee dress by Quince. NWT. Size Medium. Black. 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.