Karat 3-Ply Mask with Elastic Ear Loops is a sterile non-woven face mask that helps protect you against dust, air pollutants, and other harmful particles. Karat 3-ply Black Face Mask with Ear Loops comes individually wrapped to make transporting them and storing them easier. Each layer provides additional filtration protection that significantly reduces the risk of contamination from harmful particles compared to single-layer clothes.