GOOD QUALITY FILTER This of safety standard material, electrostatic polypropylene micro-fiber material, 3-ply disposable mouth for children and adults, stay healthy and safe when at work or out. SAY GOODBYE TO DUST – Filters over 95% of airborne particles, fumes, and odors. Keep people stay healthy and safe when at work or out by protecting your airways from pollutants and allergens to help you breathe easier as much as possible. COMFORTABLE TO WEAR – This features an adjustable nose wire to ensure a perfect fit. Comfortable elastic earloop, extra-soft ear loops eliminate pressure to the ears. Inner layer is made of soft facial tissue, no dye, gentle to the skin. PERFECT CHOICE – This which can be used all year in any weather which keeps you safe from fog, smog, dust, smells, vehicle exhaust, air pollution, allergens, and humidity. Suitable for cycling, camping, running,travel,climbing and daily use. SPECIAL TIMES: please choose the fast delivery service, we will deliver your goods by DHL.