100 Cotton Face Mask provided by us, is used to inhibit the spread of COVID-19 by preventing the spread of particles containing the virus. Fabric masks should be multi-layered and constructed of a closely woven, breathable fabric such as cotton. This mask should be snug, but not so tight that they fall off your chin or nose when you speak. 100 Cotton Face Mask is very safe to use. This mask is very effective as well as economical and widely utilized.