Health & Beauty > Personal Care > Hair Care > Hair Styling Products Beauty > Hair > Tools & Accessories in stock Slip White King Pillow Case: This pure mulberry-silk pillowcase qualifies as a full-on treatment for both skin and hair, helping to discourage split ends and maintain a style, while encouraging smooth, lineless skin. The long-fiber mulberry silk doesn’t catch or crease the way cotton or linen can, and it feels as luxe and coddling as it looks.100% mulberry silk 20″ x 36″.