<p><b>Material description: </b>100% polyester fiber. (Polyester)</p><p></p><p><b>Product performance: </b>Very soft, breathable, water-repellent, washable, adjustable elasticity with buckle, you can change its length according to your facial contour to prevent leaving marks on your face after taking off. It can protect your mouth    and face from dust, cold, dust, pollen, allergies, fog and haze, exhaust emissions, passive smoking, etc.</p><p></p><p><b>Applicable scenarios:</b> Suitable for cycling, camping, running, traveling, climbing and daily use. (Non-medical masks)</p><p></p><p><b>Accessory construction:</b> Equipped with two replaceable protective 5 layers of activated carbon filter, M-shaped nose clip.</p><p></p><p></p><p><b>S Size: </b>Suitable for kids</p><p></p><p><b>M Size:</b> Suitable for adults</p><p></p><p><b>Please pay attention to the size you purchase when buying.</b></p>