[ Real Silk] - Both sides of silk pillow case and silk sleep mask are made of organic silk. It's a soft, breathable, hypoallergenic and organic fiber.[Anti Aging & Anti Sleep Crease]- Silk pillowcase, the natural anti-aging product, soft and breathable, prevent irritation to your delicate skin. It could reduce stretching and tugging on hair & delicate facial skin, prevent hair from tangling & split ends, keep your skin's moisture and reduce facial wrinkles.[Durable & Long-Lasting]- Using the real silk fabric with exquisite workmanship, Twin Hem Stitching, 600 Thread Count, Hidden Zipper design, which makes the silk pillowcases more steady and firm. Superior durable plain color - non toxic dyes, not easy to fade after washing.colour: silver greyMaterial: silksize: 51x75cmPackage Contents:2 x pillowcaseOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.