1. Soft and comfortable materials The surface of the plush eye mask is made of soft silk and plush, and the inside is filled with cotton material. This smooth fabric is skin - friendly and hypoallergenic, suitable for people with sensitive skin and good for caring for the fragile eye skin. It is soft and comfortable with a good light - blocking effect. The back of these sleep masks is made of silk fabric. 2. Improve sleep This sleep mask is made of breathable natural fibers. The silk sleep mask allows beneficial oxygen to enter while blocking dry air. It is suitable for patients with insomnia or dry eye syndrome. It can also provide a quiet environment, helping you fall asleep faster and deeper. 3. Universal and free size It uses an elastic band design, which won't tighten the head or put pressure on the eyes. These sleep masks are a solution for sleepless nights and may let you sleep soundly. They are suitable for adults and teenagers. The size is approximately 20.5 cm × 9.5 cm/8 inches × 3.7 inches. 4. High - efficiency light - blocking eye mask Our soft plush eye mask can cover your eyes completely, and the cushion fabric at the inner bridge of the nose can block the light at night, enabling you to sleep in a dark environment whether at home, in a hotel or on a plane. It is a travel accessory that can make you feel relaxed and refreshed. 5. Wide range of application scenarios These comfortable sleep masks are suitable for use in scenarios like night sleep, naps, shift work, travel, airplanes, trains, hotels, meditation, beauty sleep, and offices.