Soft lining, contact with face and smooth to improve wear comfort Thin and Fashion design Smooth and ventilated Absolutely suitable for high flexibility Material: Pure Cotton, which is breathable and comfortable,harmless to skin 3D Eagle Mouth Shape Design,make your nose feel comfortable and fits your face well Anti PM 2.5, Anti Dust Haze,Anti Formaldehyde,Anti Air pollution,Anti-fog,Wind Resistant,Keeps Warm 4pc Anti Pollution Masks Unisex Outdoor Protection N95 Non-Woven Fabric Dust Mask Feature: Unique design：Adjustable ear band of Our dust masks disposable can be more convenient to wear. Rubber bar nose pad isolate the dust and make the face more three - dimensional and beautiful. Breathing valve can internal humid gas emssions then wearing more comfortable. ADVANCED BREATHING PROTECTION – These anti-pollution masks for boy, girl , kids , and children help protect against dust, pollen, allergens, pollution, bacteria, and the spreading of viruses to ensure safe, healthy breathing. PREMIER FILTRATION EFFICIENCY – Backed by N-95 filtration technology our anti-pollution masks filter out PM 2.5 fine particles and bacteria, making them safe for indoor and outdoor use. Easy and Cheap - Other washable cotton mouth masks with valve are much higher price and it need time to replace filter. Adjustable nose bridge: According to each person's nasal type to adjust, make mask and nose better fit, increase mask sealing effect, avoid breathing caused by the fog of glasses Quantity: 4pack M-shaped nose clip for a comfortable fit No-tangle straps for ease of use Allows for easy breathability Dust masks disposable seffer masks are for kids and children. age: 6 years old abover Package included: 4PC masks Brand Not Specified SKU 100586619_NP-1020984843 Model YYW81121082