
This anti-pollution mask makes it a protective barrier against bacteria, dust, sawdust and all other atmospheric irritants. ADVANTAGES: Comfortable and reliable. 3 layers of filtration. Non-irritating and gentle. Odorless. One size fits all. Is the mask disposable or reusable? Disposable. The anti-projection mask has a lifespan of 3 to 4 hours. The mask is for single use only and cannot be washed or reused under any circumstances. Offered in packs of 50 pcs. How to put it on? The protective mask is only effective if it is worn correctly. To position it correctly: Wash your hands before handling it. Wear the mask the right way. In general, the colored side should be facing outward and not against the mouth. The padded side of the nose bar should be placed on the nose hump to protect the nose well. The mask must fit well and pass under the chin to protect the mouth and nose.