These Utopia face coverings are made with three layers of material: the inner and outer layers are made from a non-woven material and the central layer is made from a melt-blown fabric with a bacterial filtration efficiency of >=90%. These face coverings also have elastic ear loops and a flexible nose clip for improved wearer comfort. Please ensure you dispose of these face coverings responsibly into a general waste stream, or in accordance with the latest government advice. Size: One size fits all. Pack Quantity: 50