characteristic:
1. Fine workmanship, smooth edges, and no skin damage
2. Softening elastic straps, moderate pressure, help with sleep
3. Breathable fabric, cool to sleep, relieves emotions, and ensures sleep quality
4. Silk fabric, lightweight and smooth
5. Ergonomic design, fitted to the nostrils to prevent light leakage
6. Promote blood circulation in the eyes and slow congestion of the eyes
7. Suitable for families, offices, classrooms, taking trains, long-distance flights, etc.
8. Suitable for light sleepers, shift workers, computer users, students, etc.