MATERIAL AND WORKMANSHIP: The outside of the sleep mask is made of selected silk, which is super soft and comfortable. The inside is filled with soft down cotton, which is breathable and soft. Both are environmentally friendly, gentle natural materials that will not cause allergy to your skin and hair. In addition, with a very meticulous handling process, we believe you will enjoy the touch and the sophisticated stitching.

WIDE ADJUSTMENT RANGE: The adjustment buckle allows this sleep mask to have a wide range of size adjustments. In addition, the strap also has good elasticity, making it comfortable to match head circumferences of 48-64CM (18.9'-25.2'). This size range is suitable for both children and adults, even with very large head circumferences. So you don't have to worry about the size.

BLOCK OUT ALL LIGHT: Sensitive to light? Our eye mask fits perfectly around your eyes according to the human facial contour, effectively blocking light coming through the eye and nose area. Enjoy total darkness when wearing it, allowing you to sleep regardless of the light around you because the sleep mask is 100% light-blocking. Creating a completely dark environment is crucial for a deep sleep. You will be refreshed when you wake up.

SOFT AND COMFORTABLE: Thanks to the selected soft and lightweight materials, each eye mask's net weight is only 14-15g. The mask provides considerable comfort with its softness. You will feel very few obstacles on your face whether you are lying down or on your side. This feature will obviously give you a more comfortable sleep experience.

MULTIPLE USES: with 2-pack black sleep masks in the package. You may need to use a sleep mask in a bed, on an airplane, on a long car trip, in your office, etc. In addition, it is particularly suitable for occasions where light needs to be blocked separately. For example, when you need to sleep but your partner wants to turn on the light to read, our sleep mask will help you sleep easily without being disturbed by light.