Mulberry Silk Eye Mask. Our eye masks are made with grade 6A mulberry silk, the highest quality available unlike cheaper substitutes, making our eye masks not only more beautiful but more durable as well. It is very soft and silky. The headband is soft and wrapped in silk. It is gentle on hair and will not leave a sleep crease. As recommended by Dermatologists and Beauty Experts, a pure silk sleep mask can visibly reduce fine lines, prevents wrinkles, and eliminates puffiness. You will wake up feeling energetic and with luminous skin around your eyes.