Color Options: Red/Green/Yellow Protection Wavelength: from 190nm to 540nm Damping: (10-6 Material: Plastic Optical Density: >5.0, (OD+5, OD+6) Applications: Anti-ray radiation Protection Features: All-round absorption Size: 5.75 inches / 14.61 cm Visible Light Transmittance: >55% Overview: Lasers are terrible, dangerous animals. They shine in your eyes and can burn out your retina, causing temporary blindness as well as more serious problems. It's time to fight back against this danger to our ocular freedoms with a pair of tinted protective glasses. These highly functional laser safety glasses protect your eyes from excessive 540nm green and blue laser beams. Don't venture into the laser-infested wilderness unprepared. Protect your eyes from danger with a pair of tinted protective glasses! Features: Wrap-around lenses with integrated side shields provide superior protection Safety glasses for laser exposure in industrial, military applications Polycarbonate lens with large frame, stylish design, and exceptional clarity Package includes: 2 pairs of yellow safety glasses for lasers and 2 pairs of red safety glasses for lasers 2 pairs of yellow safety glasses for lasers and 2 pairs of green safety glasses for lasers Note: - Please allow slight errors due to manual measurement. Thank you for your understanding. - Monitors are not calibrated the same, item color displayed in photos may be slightly different from the real object. Please take the real one as standard.