Eye Mask Size: 10*20cm. [Material]: imitation silk. Good light blocking effect: The sleep mask can prevent strong direct light from entering through the eye. front of the eye mask, ensuring complete darkness, the sleep mask provides you with a nighttime environment, you can sleep or take a nap anywhere. Adjustable Buckle: The adjustable buckle of the sleep mask adapts to all head shapes and can be easily adjusted to a comfortable position for a more comfortable fit. And every seam of the sleep mask is sewn by hand. Tight, smooth seams ensure minimal friction in all sleeping positions. Improve sleep quality: Our night sleep mask allows you to sleep peacefully while your partner is working or under strong light, relieves fatigue and pain, and improves sleep quality. WIDE APPLICATIONS: Our night eye mask is perfect for travel, home, hotel, train or any place disturbed by light, with the sleep eye mask, you can sleep peacefully at home, at home. home, in a hotel or outside on a plane.