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 very skin - friendly and hypoallergenic, making it very suitable for people with sensitive skin and caring for the fragile eye skin. It is soft and comfortable with 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 you with a quiet environment, allowing you to fall asleep faster and deeper than ever before. 3. Universal and free size It uses an elastic band design, which will not tighten the head or put pressure on the eyes. Our sleep masks are a good solution for sleepless nights and will surely 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 completely cover your eyes, and the cushion fabric at the inner bridge of the nose can completely block the light at night, ensuring that you can sleep in a completely dark environment whether at home, in a hotel or on a plane. It is a great travel accessory that can make you feel relaxed and refreshed. 5. Wide range of application scenarios These comfortable sleep masks are very suitable for use in scenarios such as night sleep, naps, shift work, travel, airplanes, trains, hotels, meditation, beauty sleep, and offices.