Use with a wet filter set in the mask. (Wet filter + mask) Due to shipping costs, the box will be folded in two and enclosed. Thank you for your understanding. If you do not need the box, please comment. We also accept combined shipping with other items on sale. A wet mask that prevents dryness with 10 hours of humidification. - Product Name: Nodo Nuru Nuru Mask - Set Quantity: 3 sets - Effect: 10 hours of humidification - Fragrance: Unscented - Usage scenarios: When sleeping, when traveling, when relaxing Thank you for viewing. #Mask #NodoNuruNuruMask #KobayashiPharmaceutical