Product: This is a non-woven mask that can be used all day. Uses: Prevents pollen, dust, dust and viruses from entering, protecting against throat, or cooking meals. Size: Large 3.7 x 5.7 inches (95 x 145 mm). Number of sheets: 80 sheets. Features: 3-ply design of fine non-woven fabric filters prevents pollen and dust. The material is electrostatic, so it can absorb microscopic particles, such as microorganisms. It is thin and breathable, so it is easier to breathe compared to gauze. The nose wire is included, so it fits the shape of the nose, and it does not slip easily, and also covers the gap around the nose. 3-step elastic gather provides extra coverage to your chinIt reduces pressure on the nose and mouth, and makes you feel more uncomfortable than gauze. How to Use: 1. Wash your hands before use. 2. Place the elastic cord on both ears and place the nose wire in the middle part of the nose and gently bend the nose wire along the nose. 3. Put the mask on the bottom of the chin to cover the bottom of the chin. Handling Precautions: *This product is a versatile type, so please do not wash and reuse it.If it gets dirty, just replace it with a new one. Cannot be used to prevent harmful dust and gas. Please keep out of reach of infants. Please stop using if there is any abnormalities on skin or any abnormalities. Please stop using if you feel bad due to the smell while wearing it.It is recommended to use one piece per day from hygiene. Please do not use for anything other than the intended purpose. [Note after opening] *Close the lid of the outer box and store it in a clean place, and use it as soon as possible. Please do not put the mask back into the bag. After use, please discard according to the local municipal section.