Mask / Adult Mask Provides Moisturizing for the Throat During Sleep Wears a mask that moisturizes the throat during sleep. It can continuously moisturize the throat for 10 minutes.Mask / Adult Mask Provides Moisturizing for the Throat During Sleep Wears a mask that moisturizes the throat during sleep. It can continuously moisturize the throat for 10 minutes. During sleep, it provides moisture to the throat through the steam generated by the wet filter. During sleep, it provides moisture to the throat through the steam generated by the wet filter. Place the wet filter in the pocket of the mask and use it so that it can continuously moisturize the throat for 10 minutes. It is made of mild non-woven fabric material without any fragrance.Place the wet filter in the pocket of the mask and use it so that it can continuously moisturize the throat for 10 minutes. It is made of mild non-woven fabric material without any fragrance.