? HANDLING TIME 1-3 DAYS, WE USE USPS DELIVERY TIME 5-10 DAYS – We are confident about the quality and performance of our s??fety ????. We provide 24-hours online customer services with our friendly support team. Please contact us if you have any question. ? GOOD QUALITY FILTER ???? – Make 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. ? COMFORTABLE TO WEAR – This face ???? 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. ? SAY GOODBYE TO DUST – 3 Ply dispos??ble el??stic e??rloop f??ce ????, filters over 75% 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.