Made of polyester, washable, durable and reusable. Anti-dust with an infection resistance made for murrain or crowded places. Protect from dust, ashes, pollen, car exhaust, passive smoking and other air pollutants. Comfy loop eliminating the pressure on ears and the inner layer is made of soft facial tissue, gentle to the skin. Made especially to wear for long periods of time without irritation. This new type of mask is made of high-quality polyester, with super elasticity. The width of the mask covering the nose, mouth and face, which is suitable for most people. The perfect ergonomics combination.