Ideal for Side SleepersUpgraded sleep mask has thinner sides that hug the contours of your temples closely, reducing pressure on your temples when you sleep on your side. So you can sleep better and relax optimally. Soft and comfortablefocuses on the research and development of sleep eye mask fabrics and uses double-sided ice silk fabrics, which are light, soft and breathable without being stuffy , and provide you with the ultimate relaxation and comfort. 99% Shading RateThe ergonomic design perfectly fits your facial contours, preventing light from entering and providing you with a completely black sleeping environment. Unique 3D DesignThanks to the recessed design of the 3D eye sockets, you can blink freely and minimize touching your eyelashes, eyelids or eye makeup. Whether you're traveling, working shifts or playing games, you'll feel stress-free and relaxed. The perfect choice! Adjustable Elastic BandSleeping masks use an improved elastic band to avoid your hair from breaking or tangling; The band can be freely adjusted according to your head circumference. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.