The Pritty Deep Purifying Volcanic Bubble O2 Mask is a wash-off sheet mask that uses oxygen bubbles and volcanic ingredients to deeply cleanse and purify the skin. This single-use mask helps remove impurities, clean pores, and provide hydration while delivering a deep cleansing effect. This is a single-use sheet mask containing 20g/0.70oz of product. The mask is designed to be washed off after use and features oxygen bubble technology combined with volcanic ingredients. It offers multiple benefits including hydration, pore cleansing, skin purification and deep cleansing properties. As this is a personal care/cosmetic product, detailed usage instructions and precautions should be followed as indicated on the packaging.