IZUHARA masks with silk protein processing, including antibacterial mask sheets. Processed with silk protein extracted from natural silk, using materials such as cotton and nylon, resulting in a soft and gentle feel on the skin. Washable and reusable. Also effective for preventing dryness on airplanes or during sleep. - Brand: IZUHARA - Product Name: SILK HUWAHUWA BI MASK - Made in: Japan - Features: Includes antibacterial mask sheet - Materials: Cotton, nylon, etc. Thank you for viewing.