Site Clear Lens Safety Specs, SEY228 are made of polycarbonate (PC) & thermoplastic copolyester (TPC) & suitable for protection for eyes against impact and UV UV resistant specs are best for industrial safety and home DIY projects These regular size adult specs are anti-scratch & hard coated Unisex specs lens impact protection grade is F Standard: EN 166:2001 2-1.2 1 F (Ocular), EN 166:2001 F (Frame); Guarantee: Statutory; Size system: EU; Location: Internal