our silk sleep mask has advantages of being breathable, keeping skin humidity and temperature to comfortable level, ultra smooth, soft and lightweight and aims to make the best eye masks for sleeping blackout, let customer enjoy the gift of Nature, enjoy the luxury cloth material since ancient times. Ultra soft to fit face closely, considerate size to cover eyes surrounding area very well, multi-layer filled with cotton, sleep mask can black out light perfectly for a blissful night or travel sleeping. It is a natural material and a skin-friendly choice. Silk is a symbol of love and noble, elegance. A luxurious present for Birthday, Mother's Day, Father's Day, Valentine's Day, Christmas.care instruction: Hand wash only under 30?,pH-neutral laundry detergent, Lay flat to dry.NOT AVAILABLE for washing by machine. Ideal Gift: Our beautiful, comfortable and luxury silk eye masks for sleeping are ideal gift for yourself, family members and friends who want good sleeping, travel and meditation . A luxurious present for Birthday, Mother's Day, Father's Day, Valentine's Day, Christmas. Benefits: This silk sleeping mask blocks out light so you can sleep better and protects the delicate skin around your eyes to help reduce puffiness, fine lines, and dry eyes. It's also great for protecting your eyelash extensions while you sleep. Size: 20.5cm*11cm (8inch*4.3inch). adjustable strap will not tangle hair, soft, easy to wear, side sleep, turn over without slips. Material: outer: 100% mulberry silk, 19 momme, 6A grade.inner: cotton. 100% mulberry silk.