Material - Use super soft polyester, Very lightweight, friendly breathable fabric is comfortable to wear. .Block Light - Perfectly blocks out light for a happy night's sleep. Get a deep sleep anytime, anywhere when you need a comfortable nap. Light blocking design to ensure complete darkness, you a midnight environment. The eye mask allows you to completely eliminate light even if you use the light-colored eye mask. .Adjustable Soft Strap - The adjustable strap allows you to tighten the sleep mask if needed to further eliminate light, providing a comfortable sleeping environment for you. It will not cause headaches due to the short tightening of the straps, and it will not move or fall off while sleeping. Suitable for women, men and children. .Multi-Scenario Use-Whether at home, on a plane, on a train, on a bus or in the office, it is a good helper to help you relieve fatigue. .Multi-Scenario Use-Whether at home, on a plane, on a train, on a bus or in the office, it is a good helper to help you relieve fatigue. 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. YJL official store