The surface of the sleeping mask is made of soft silk and the interior is filled with natural cotton material. Silk fabric is skin-friendly, comfortable and breathable. At the same time, the silk eye mask can also promote blood circulation in the eyes, reduce eye fatigue, prevent and improve dark circles and eye bags At the same time, the eye mask can maintain air circulation according to the color tone, creating comfortable sleeping conditions for the wearer. Silk, cotton, polyester. Highly elastic, painless, adjustable headband design Features Lightweight and breathable, comfortable, soft, comfortable to wear, effectively blocks any interfering light, helps you fall asleep quickly and enjoy a good night's sleep, suitable for all people who suffer from dry eye or are easily affected by light