A wet mask that moisturizes your throat with 10 hours of humidification, fragrance-free for comfortable use. - Product Name: Nodo Nuru Wet Mask - Set Contents: 3 masks per set - Features: 10-hour throat moisturizing humidification - Usage scenarios: Suitable for use when sleeping during the dry season, in hotels, cars, and airplanes - Fragrance: Fragrance-free I bought it last month.