These are NOT N-95 masks, surgical masks, or for medical use. The use of these face coverings is not a guarantee against infection or the transmission of viruses or diseases and SHOULD be used in addition to practicing hand washing and social distancing. This is a personal use item and cannot be returned. 100% Cotton These covers are made from a cotton & spandex blend for the right mix of comfort and stretch that ts comfortably around your nose and face. Our smooth and breathable fabric helps you stay cool. Reusable & Washable Disposable covers create waste and can get costly. Our covers are machine-washable which is good for the environment. Materials Outer layer 100% polyester. Inner Layer 100% Cotton Wash & Care Covers are reusable and should be washed with medi- um-high heat, then line dried to prevent shrinking. Dimensions Face overs are one-size covers with elasti Layer 100% Cotton Wash & Care Covers are reusable and should be washed with medi- um-high heat, then line dried to prevent shrinking. Dimensions Face overs are one-size covers with elast