Jackson Safety Element Safety Glasses (25627), Lightweight, Economical, Disposable, Metal-Free, Clear Lens & Frame, 12 Pairs / Case 12 pairs of Jackson Safety Element Safety Glasses / Case; Clear Lenses for maximum visible light transmission (ideal for indoor use); Clear Frame Metal-free design with screw-less hinges Meets ANSI Z87.1+ standards for personal eye protection Polycarbonate lenses provide 99.9% UVA/ UVB/UVC protection Element safety glasses feature a 10 base curve and are TAA compliant