Silk Pillowcase ClaySilk pillowcases are perfect for your skin and hair due to the high protein content in silk. Unlike cotton, silk does not absorb moisture, helping to keep hair glossy, skin soft and aiding in the prevention of facial lines. 100% pure mulberry silk front and reverse Envelope closure Standard pillowcase measuring 74cm x 48cm, fits a standard pillow insert These come as single pillowcases please order two if you would like a pair