Three layer cotton construction. Machine washable. Antimicrobial finish to protect the mask's surface from airborne germs and bacteria. Skin-friendly and breathable. Black. Material(s): 100% Cotton with Antimicrobial Finish; Size Group: One Size Fits All; Airborne Contaminant Resistance: Airborne Germs; Bacteria; Cut Grass; Dust; Pollen; Quantity: 10/Pack.