‘ Laser Safety Glasses, Laser Type CO2, OTG Frame Design, Visible Luminous Transmission 89 Percent, Optical Density @ Wavelength greater than 9 @ 190-360nm, Polycarbonate Lens Material, Filter Number 100, Scratch-Resistant Lens Coating, Clear Lens Color, Black Frame Color, Includes Storage Case, Safety Strap, Standards ANSI Z87.1-2003, ANSI Z136.1-2007 ‘