Lovasilk Pure Satin Silk Pillowcase Queen / Standard (Ivory White) 19mm Mulberry Silk, Makes a Great Gift 100% Silk Imported 100% Mulberry and Charmeuse Silk Pillowcase with a Satin weave 19mm quality silk which is machine washable 20" x 31" Dermatologists recommend silk pillowcases to improve skin and hair health and help prevent wrinkles, dry skin and dry frizzy hair. Silk is naturally temperature regulating, hypoallergenic, and antimicrobial Makes a great gift for Mothers Day, Valentines Day or any occasion