12 PAIR PACK SAFETY GLASSES GRAY/SMOKE FEATURES General purposes for indoor and outdoor applications.Economical lightweight glasses offers superior protection.Lenses provide 99% protection against UV raysExceeds ANSI Z87.1-2010EN166 Certified. TECHNICAL SPECIFICATIONS Part Number:B516GASManufacture:BBS Safety IncMaterial of Frame:Poly-carbonateMaterial of Lenses:Poly-carbonate; Scratch ResistantLens Color: GRAY/ SMOKE