2-Layer Antibacterial Protection Mask for Adults (Unisex) - Pack of 2Made with 100% cotton mercerized yarn with two layer protection(technically four layers) to keep you safe from microbes, dust, smoke and pollutants. As cotton is a natural fiber and because of the way it is designed and manufactured into mask, it has many advantages, such as comfort, hypoallergenic, does not irritate skin, durable, washable & reusable. Features & Benefits: Antibacterial formula to provide antibacterial efficacy and durability. This