This set includes two-5-pack [10 masks] tightly knit cotton masks that are washable and reusable, so you know you'll always have one on hand when you're going out. Each mask is fashioned with two layers of fabric. Pleating provides adequate nose-to-chin coverage and comfortably flexes with facial movements. This product is nonmedical and intended as a face covering in public settings when social distancing is difficult to maintain. 100% cotton - Machine wash warm, tumble dry - Slight shrinkage may occur.