✅Fabric: Made of 100% high quality imported luxury hotel grade 16MM mulberry silk. These luxury grade silk pillow encasements are very smooth, soft and drapes nicely. | ✅Silk's natural protein fibers protect the skin and hair preventing wrinkles and split ends, dermatologists recommend silk pillowcases for hair and facial; prevent hair from becoming knotted and matted and keeping beautifully styled throughout the night. | ✅Size:20 x 26 inches (51 cm x66 cm) fits most standard size pillows. No color shading or fading. | ✅Closure: Hidden zipper for style comfort and better fit, prevents slipping out and ensures that the pillow stays perfectly in the pillowcase. | ✅Hand or machine wash in cold water on gentle cycle. Hang to dry. Iron at low settings recommended. Do not bleach. If there is any problem with the product,don't hesitate to contact us. We will solve for you at first time.