Three-layer face mask of Safa Darman Caspian Company is a very suitable option for healthcare. These days, three-layer surgical masks have become an integral part of our daily lives. These masks are three-layered and prevent liquids or particles from entering the mouth and nose. According to the World Health Organization, these masks are the best option to prevent the transmission or infection of respiratory diseases such as COVID19 or the flu. These masks are made of non-woven fibers and are made in 3 layers, including an outer waterproof layer of spun bond, a melt blown middle layer and an inner waterproof layer of spun bond.