Product Description Non woven fabric material: Non woven fabric is the main material of this type of mask, with good filtration, breathability, and softness. Its fiber structure can effectively block small particles such as dust, pollen, bacteria, etc., while allowing air to pass through, ensuring that the wearer can breathe normally. Moreover, non-woven fabric material is relatively soft and comfortable when in contact with facial skin, without causing irritation to the skin. Multi layer structure: High quality dust-proof non-woven masks usually adopt a multi-layer structure design, which generally includes an outer waterproof layer, a middle filtering layer, and an inner moisture absorbing layer. The outer waterproof layer can prevent liquid splashing and the adhesion of large particles of dust; The middle filter layer is the core part of the mask, responsible for filtering out small particles in the air; The inner moisture absorbing layer can absorb the moisture and water exhale…