These Safety Glasses for Green Laser mainly protect wavelength range:190nm-540nm. Protect your eyes from green laser, blue laser, and purple laser. All-around protection against 190-540nm bands lasers. The lens is hardened and strengthened, with the characteristics of impact resistance, scratch resistance, explosion-proof, alcohol resistance, water scalding resistance, etc., which is more safe, durable, and reliable, Even if the lens is scratched, it does not affect the protective effect. Various styles and designs are suitable for users of various face shapes, head shapes, and different needs.