50 шт лицо рот маска meltblown ткань пылезащитный одноразовый рот маска 95% эффективная фильтрация как kn95 3 слоя

description 1.3 layers of protection: moisture-resistant non-woven fabric: waterproof, blocking the spread of droplets meltblown cloth filter layer: block 95% of bacteria, effectively filter, fiber diameter can reach 1-5 microns, effectively isolate viruses staple fiber non-woven fabric: soft to the skin, preventing allergies, blocking the filtering of particles leftover 2. low breathing resistance, easy breathing 3. elastic rubber bands, wont pinch your ears, and comfortable protection...