100% Pure Mulberry Silk Pillowcase King 19mm (Single, Beige) 100% Silk Imported The finest quality of 100% Pure Charmeuse Silk Strong 19mm mulberry silk with over edge and double lock stitching for added durability Generously sized at 20" x 40" with internal pocket. Fits luxury king sized pillows with ease. Natural silk for a safe and comfortable sleep Machine washable