100% SilkImportedPremium Quality Construction: Crafted from 100 percent top quality imported luxury hotel grade 19MM mulberry silk. Silk never absorbs facial moisture, perfect for those with sensitive skin.Function: Silk fabric is naturally hypoallergenic, smooth, soft, anti-aging and breathable, dermatologists recommend silk pillowcases for hair and facial; preventing dry/ knotted hair and reduce hair loss. and keeping beautifully styled throughout the night, prevent morning bed head.Size- Closure: Standard 20 x 26 inches (51 cm x 66 cm), fits most Standard size. Hidden zipper closure prevents slipping out and ensures that the pillow stays perfectly in the pillowcase overnight.Care Instruction: Hand or machine wash in cold water on gentle cycle. Hang to dry. Silk charmeuse requires a cool iron to bring back sheen.If there is any problems and questions with the products, contact us immediately, our customer service will solve at the first time. It is a great gift for anyone who enjoys deep, restorative sleep. Wish you have a sweet sleep. We hopefully you appreciate a value experience.