GOOD MATERIAL: Made of 100% high-quality 19mm mulberry silk on both sides. super-soft, super smooth environmentally and economic mulberry silk offers the breathable, cool relaxation of the soothing masks.Most gentle care to your eyes. | Light weight silkly soft sleep mask. It is ergonomic designed by relieving stress and relaxing muscles. providing the best experience of sleep. let you enjoy a comfortable life. | Easy to adjustable and headband won't tangle hair.No chemical smell and generic size,So it suitable for Men/ Women/ Children | HELP SLEEP: To create a good sleep environment, can cover the light irradiation on the eyes, eliminate interference, so that you have a comfortable, quiet sleep. At the same time, can promote blood circulation eye, slow eye congestion, prevent dark circles, bags under the eyes.Enjoy sleep anytime and anywhere, whether it is at home, in a hotel or on the plane (where bright light and dry air can be especially harsh). | With a bag the perfect travel accessories to help keep you feeling good.also an excellent gift for family ,friends, shift & night worker who need deep, uninterrupted sleep and wake up refreshed.