Made with the finest 100% Mulberry Silk. Fully machine washable mulberry silk Long-sleeved top with full-length pant Classic pajama style that fits true to size Waist has 3/4" elastic with full drawstring Hand wash or machine wash in cold water separately, on a delicate cycle. Remove promptly and lay flat to dry. Avoid bleach. Use a mesh washbag for added care 19 momme Mulberry Silk. Momme (MOM) is a measure of the weight, luxury, quality and durability of silk garments.