Material: 100% mulberry Silk Weight: 19mm fabric weight for a premium drape and hand-feel Silk fiber contains 18 kinds of amino acids necessary for skin nourishment, hypo-allergenic, and naturally thermoregulating to help maintain body temperature Functional side-seam pockets Dyed without hazardous chemicals in a dyeing mill that meets Bluesign® standards. Bluesign® helps factories operate more efficiently by reducing overall water, energy, and chemical use while putting safety measures in place to help protect workers from exposure to chemicals This material is certified by Standard 100 OEKO-TEX® (Certificate Number: SH050127759) which ensures that no hazardous substances are present Produced in BSCI (Business Social Compliance Initiative) certified factories which aims to improve working conditions throughout the supply chain Made with care in Shenzhen, China Hand wash or machine wash cold in delicate or gentle cycles with similar colors. Turn inside out, in a garment bag. Line dry. Cool iron on the reverse side. Do not bleach. Do not tumble dry. Dry clean if needed