Sanatone 3-PLY Protective Face Masks is disposable for one time use only.<br> Features:<br> <ul> <li>Made of high quality polypropylene non-woven and melt-blown fabrics. Breathable and comfortable for general purpose use.</li> <li>Embedded metal nose clip made of PE enclosed galvanized iron strip can easily mold around your nose bridge allow better fits and better protection</li> <li>High efficient protection against external micro particles and pollution while still allow air freely flow through</li> <li>general purpose for outdoor and indoor use: home cleaning, office social distancing, traveling, shopping, lawn mowing and more.</li> <li>Durable storage box with additional inner flap helps prevent accidental contamination from outside foreign objects.</li> <li>Single use only DO NOT REUSE!</li> <li>50 pcs per box in a sealed plastic bag.</li> </ul>