100 Polyester, OSFM 8 58 W x 5 34 H, Non-Medical Grade Non-Surgical. Not certified Personal Protective Equipment (PPE).All sales final. No returns. No refunds.. Antibacterial Water Repellent Moisture Wicking Washable Reusable Double layer protection Soft Comfortable Bendable strip for nose Adjustable Silicone knob welastic ear loops