Our Antivirus Face Shield Blocks droplets, aerosols, preventing impacts, new crown virus protection The mask has high light transmission and high definition, and does not affect normal vision after wearing, no Affects wearing glasses. This product has a variety of models to choose from, suitable for a variety of head types, adjusts easily after wearing. Can be applied to multiple scenarios, such as laboratory, hospital, outdoor, etc. Can effectively prevent sand and dust Blows, splashes or splashes of liquid. Medical protective mask is an effective face protection device to effectively prevent close contact with droplets, dust and liquids.