PVC gloves are made of polyvinyl chloride through a special process.
KN95 mask refers to a mask that meets the KN95 standard and complies with the GB2626-2006 standard for respiratory protective equipment.
Many people may think it's all the same, as long as you're wearing it. This is not the case. The front and back functions of masks are different.
Viruses are the smallest particles among the particles we can come into contact with daily.