NEW Features: - Included: Get 1 Pcs breathable face cover and 2 Pcs Filters. - Design: Has a big chin pocket, perfect fits snug under chin. - Washing Guide: Reusable, easy to care for hand wash and hang to air dry. - Multipurpose: Great for working, shopping, running, climbing and traveling. - Product Size: 5.9*7.9inch How to Select: There are many choices, here are some do's and don'ts. Do choose that √ Have two or more layers of washable, breathable fabric. √ Completely cover your nose and mouth. √ Fit snugly against the sides of your face and don't have gaps. √ Have a nose wire to prevent air from leaking out of the top. Do not choose that X Are made of fabric that make it hard to breathe. X Have exhalation valves or vents.