LilySilk 20 x 30 Inch Mulberry Silk Pillowcase Standard/Queen (19 Momme) - White Fabric: 100% 19 Momme Pure and Natural Long Stranded Mulberry Silk. Imported 100% Grade A long standard mulberry silk on both sides, 19 Momme, 400 threat count. Envelope closure at the side prevents slipping.Size: 20 X 30 inches (51 x 76cm) ulberry silk pillowcases contain a natural protein and amino acids. Protect the hair and skin, Anti wrinkles. Natural anti-aging product, extremely breathable and hypoallergenic. Cool to sleep on and can help prevent bed sweats.Reducing facial wrinkles and preventing dry/ knotted hair Machine-washable in lukewarm water (30 degrees Celsius). Hang to Dry. Cool Iron. Handwash recommended.