BEIJOEY 100% Mulberry Silk Pillowcase 2 Pack for Hair and Skin,with Hidden Zipper,Both Sides 19 Momme 600 Thread Count Natural Silk Pillow Cover,Soft Breathable Smooth (Burgundy, Standard 20x26) - MATERIAL Both Sides 19 Momme 100% 6a Natural Silk. smooth and soft.silk fabric has 18 kinds of Amino Acids that are believed to effectively stimulate your skin cells metabolism,to help your skin retain moisture.The more hydrated your skin is, the less noticeable fine lines and wrinkles become. - SIZESTANDARD 20x26(50cmX66cm); QUEEN 20x30(50cmX76cm); KING 20x36(50cmx91cm). - HIDDEN ZIPPER Hidden zipper design, comfort and better fit, which could hold your pillow perfectly without move around. Large opening and long zipper make it easier for you to place pillows. - ANTI-AGINGBEIJOEY silk pillowcase is the most natural anti-aging product.Silks natural fiber and tight weave allow the skin and hair to slide over the pillowcase very gently and freely, it creates less friction between your hair&skin and the silk pillowcase, helps reducing facial wrinkles, preventing dry/ knotted hair and reduce hair loss.Improve your sleep quality. - TEMPERATURE REGULATOR Pure silk is a natural temperature regulator to help feel cool in summer and warm in winter. Silk is a symbol of elegance and noble. The perfect gift for Birthday, Mothers Day, Fathers Day, Valentines Day, Christmas.