Double straps for secure fitDesigned to provide quality, reliable worker protection against certain non-oil-based particles. Lightweight construction promotes greater user acceptance and comfort and increased wear time. Provides protection against the dry particles produced during removal/sanding of bottom paints, epoxies, wood, gel coat and fiberglass. Primary Usage: Protection from inhaled particles and dust Approvals: NIOSH 42 CFR 84 N95 (non oil proof, 95% filtration efficiency) Securing Device: Two elastic straps