Ravmix 100% Mulberry Silk Pillowcase is the perfect choice for those looking for a luxurious and anti-aging product. It is made of 100% Mulberry Silk, both side 21 Momme 600 thread count, with hidden zipper design, providing a smooth, soft and breathable experience. It helps prevent hair from becoming knotted and matted, reduces facial wrinkles and won't cause irritation to your delicate skin. Available in Queen, King and Standard sizes, and in a variety of colors, it is the perfect gift for any occasion. Ravmix Silk Pillowcase is the natural anti-aging product that will take you into a beautiful dream and keep you looking young.