Wet Mask Sleeping Use Pleated Type 3 Sets 

This mask is designed for those concerned about throat discomfort caused by dryness. The built‑in “wet filter” inside the mask turns into steam during breathing, providing throat moisture for approximately 10 hours.

Made of soft, breathable non‑woven fabric for comfortable wear during sleep. Fragrance‑free type. 

Country of Origin: Japan

*Please note: Duration depends on usage environment.