Resistant to fluid and synthetic blood penetration at 160 mmHg (exceeds ASTM-F1862). Four-ply protection for greater than 99% BFE and PFE. New advanced ClearView™ filmed shield reduces glare and ensures clear vision with longer lasting antifog properties. Black UV-proof outer strip delivers optimal glare prevention. Made from nonirritant and odorless materials, these masks are fiberglass free and not made with natural rubber latex. Ideal for users with sensitive skin.